Ethyl p-toluenesulfonate(80-40-0)
- Name: Ethyl p-toluenesulfonate
- Synonyms:p-Toluenesulfonicacid, ethyl ester (6CI,7CI,8CI);Ethyl 4-methylbenzenesulfonate;Ethyl4-toluenesulfonate;Ethyl p-methylbenzenesulfonate;NSC 8887;Toluene-4-sulfonic acid ethyl ester;Ethyl p-tosylate;Ethyl tosylate;
- Molecular Formula:C9H12O3S
- Molecular Weight:200.258
- CAS Registry Number:80-40-0
- EINECS:201-276-7
- Melting Point:29-33 °C(lit.)
- Water Solubility:insoluble in water
CAS No.80-40-0 High quality p-Toluenesulfonic acid ethyl ester supplier in China
Assay:99% Appearance:white-off solid or colorless liquid ( referto COA) Package:25kgs/fiber drum or 200kgs/UN drum Storage:in a cool and dry place Transportation:by sea or by air Application:organic intermediates
Min. Order:1Kilogram
Supplier:Simagchem Corporation [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate Manufacturer/High quality/Best price/In stock
Assay:98% Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place. Transportation:by sea or by air Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
Min. Order:1Kilogram
Supplier:Dayang Chem (Hangzhou) Co.,Ltd. [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99% Appearance:Colorless to yellowish liquid Package:suitable for delivery Storage:cool and seal Transportation:by sea,by air or by courier Application:Ethylating reagent, photosensitive material intermediate, and also as a toughening agent for cellulose acetate
Min. Order:1Kilogram
Supplier:Jinan Finer Chemical Co., Ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99.5% Appearance:powder Package:drum Storage:Store in a cool, ventilated warehouse Transportation:sea Application:Organic Chemicals
Min. Order:1Metric Ton
Supplier:HENAN NEW BLUE CHEMICAL CO.,LTD [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:98% purity Appearance:Clear colorless to pale brown?liquid after melting Package:According to the need to packing Storage:sealed,dry,low temperature Transportation:air,sea and courier Application:intermediate
Min. Order:1Gram
Supplier:Shanghai Minstar Chemical Co., Ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99% Package:According to customer requirements Transportation:By Sea/Air/Courier Application:medicine
Min. Order:10Gram
Supplier:Zibo Hangyu Biotechnology Development Co., Ltd [
China (Mainland)]
CAS No.80-40-0 Lower Price P-Toluene Sulfonic Acid Ethyl Ester on stock
Assay:98% Appearance:Colorless to light yellow liquid Package:200kg/drum Storage:Cool and dry place Transportation:by sea or by air, express for small quantity Application:CAS: 80-40-0
Min. Order:1Kilogram
Supplier:Siwei Development Group Ltd. [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate(PTSE)
Assay:99% Appearance:White Powder Package:According to customers' requirements Storage:Stored in the ventilated, low temperature and dry room away from direct sunlight. Transportation:By Sea Or By Air Application:Used in organic synthesis, as an ethylating reagent and intermediate for photosensitive materials, and also as a toughening agent for cellulose acetate
Min. Order:1Metric Ton
Supplier:EAST CHEMSOURCES LIMITED [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99% Package:According client's requirements Storage:Sealed and preserved Transportation:By sea/By air/By courier Application:Chemical raw materials
Min. Order:1Kilogram
Supplier:Hangzhou ZeErRui Chemical Co., Ltd. [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:鈮?9% Appearance:powder Package:Bagged or according to your request Storage:2-8掳C Transportation:Transport锛? EMS,DHL, TNT, UPS ,FEDEX, BY AIR, BY SEA DHL Express, FedEx and EMS for quantity less than 50KG, usually called as DDU service; Sea shipping for quantity over 500KG; And air shipping i Application:It is used in organic synthesis as an ethylating agent, in the pharmaceutical industry to produce benzylammonium bromide, and as an intermediate in photosensitive materials. It is a toughening agent f
Min. Order:1Kilogram
Supplier:Hebei Nengqian Chemical Import and Export Co., LTD [
China (Mainland)]
CAS No.80-40-0 Ethyl P-Toluenesulfonate
Assay:99.9% Appearance:White Powder Package:25/kg?paper?drum?and?double?plastic?food bags?inside. Storage: Keep it in dry, cool and ventilated place Transportation:By sea or by air Application:Pharmaceutical Interemdiates
Min. Order:1Metric Ton
Supplier:COLORCOM LTD. [
China (Mainland)]
CAS No.80-40-0 High quality Ethyl 4-methylbenzenesulfonate with factory price
Assay:99% Appearance:detailed see specifications Package:according to customers' requirements Storage:Keep in a cool & dry place Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(FOB or CIF or CNF ect...)or according to your demand. Application:intermediates in organic synthesis
Min. Order:1Gram
Supplier:Hangzhou Lingrui Chemical Co.,Ltd. [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99.0% Appearance:liquid Package:Grams, Kilograms Storage:Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials. Transportation:According to customer request Application:For R&D and commerical use
Min. Order:100Gram
Supplier:Chemlyte Solutions [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99% Appearance:White fine powder Package:according to the clients requirement Transportation:Transportation by express, air, sea; port mainly to Qingdao / Tianjin / Shanghai, or according to customer needs to send different ports and aviation. Application:An important raw material and intermed
Min. Order:1Kilogram
Supplier:Shandong Hanjiang Chemical Co., Ltd. [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:鈮?8% Appearance:powder Package:BAG Storage:In cool ,dry place Transportation:Air or sea freight Application:for pharma use
Min. Order:1Kilogram
Supplier:Qingdao Chengyuan Kaisheng Industry and Trade Co., Ltd. [
China (Mainland)]
CAS No.80-40-0 ethyl 4-methylbenzenesulfonate
Assay:NLT 98% Appearance:White powder Package:Aluminum bag Storage:Room temperature Transportation:By air Application:Used in producing API
Min. Order:0
Supplier:Hangzhou Huarong Pharm Co., Ltd. [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:98% or more Appearance:high quality Package:5kg 25kg According to clients' requirement Storage:Store in dry, dark and ventilated place Transportation:Sea/air/courier Application:Intermediate and Industrial use
Min. Order:0Metric Ton
Supplier:Hangzhou Keyingchem Co.,Ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:98% Appearance:Clear colorless to brownish liquid after melting Package:Depended Storage:KEEP COLD Transportation:BY SEA OR AIR Application:Organic Chemistry
Min. Order:0
Supplier:Antimex Chemical Limied [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99% Appearance:Clear colorless to brownish liquid after melting Package:25kg/Barrel Storage:ln stock Transportation:Express/Sea/Air Application:Chemicals
Min. Order:0
Supplier:Hangzhou Sartort Biopharma Co., Ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99% Appearance:White powder Package:25kg/drum,or as per customers'demand Storage:Sealed and preserved Transportation:By sea Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
Min. Order:0
Supplier:GIHI CHEMICALS CO.,LIMITED [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99% Storage:Sealed and preserved Transportation:By sea Application:Medical research field
Min. Order:0
Supplier:Qingdao Beluga Import and Export Co., LTD [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:98% Application:For research use only.
Min. Order:0
Supplier:HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:97% Application:Chemical intermediate
Min. Order:0
Supplier:HANGZHOU TIANYE CHEMICALS CO., LTD. [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonateCAS NO.: 80-40-0
Assay:99% Appearance:White solid Package:drum Storage:Room temperature Transportation:By Sea/Air/DHL Application:Pharmaceutical intermediates
Min. Order:1Gram
Supplier:Henan Wentao Chemical Product Co., Ltd. [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:98%min Appearance:Off-white to light yellow powder Package:According to the clients requirement. Storage:Keep in cool place. Transportation:Sea/air/courier Application:Pharmaceutical intermediates
Min. Order:0
Supplier:Hangzhou J&H Chemical Co., Ltd. [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99 Appearance:powder Package:25kg/bottle 125kg/bottle Storage:Sealed in dry,Room Temperature Transportation:by sea or by air Application:2-Phenethyl acetate is a highly valued natural volatile ester with a rose-like odour and is widely used to add scent or flavour to cosmetics, soaps, foods and drinks.
Min. Order:1Liter
Supplier:Hebei Ganmiao New Materials Technology Co., Ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl 4-methylbenzenesulfonate
Assay:95%+ or 98%+ Appearance:solid Package:10mg/25mg/50mg/100mg/1000mg/5000mg Storage:short-term storage normal temperature. long-term storage 2-8 鈩?nbsp;Transportation:express and sea transport and air freight Application:for drug impurities, for drug standards,for drug research and development
Min. Order:25Milligram
Supplier:Hubei Moxin Biotechnology Co., Ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:鈮?9.0% Appearance:White powder Package:25kg drum/bag Storage:Keep in dry and cool place Transportation:by Sea, air and express Application:銆?Use 1 銆? A nutritional supplement. One of the essential amino acids in the human body. Because the price is higher than DL-methionine and the effect is equal, DL-methionine is often used. 銆?Use
Min. Order:1Metric Ton
Supplier:KAISA GROUP INC [
United States]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99% Package:box or opp package Storage:cool drum Transportation:air or sea Application:Ethyl p-toluenesulfonate
Min. Order:1Milligram
Supplier:weifang yangxu group co.,ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:98% Appearance:Transparent to light yellow liquid Package:Safe Packaging Storage:Store in RT Transportation:By sea or air as request Application:api
Min. Order:1Kilogram
Supplier:Hubei Shengliyuan New Materials Co., Ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99.0% min Appearance:Highest quality appearance Package:25kgs/drum锛?00kg/drum锛汭BC TANK Storage:Keep in dry and well ventilated warehouse, keep sealed Transportation:By air and by sea Application:Extremely good quality, widely used in Pharmaceutical Industry, Food Industry, agricultural industry etc.
Min. Order:1Kilogram
Supplier:Hangzhou Johoo Chemical Co., Ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl P-Toluenesulfonate
Assay:99% Appearance:detailed see specifications Package:25kg/drum;200kg/drum Storage:Keep away of light, cool place Transportation:Sea/air/courier Application:Chemical synthesis
Min. Order:0
Supplier:Xiamen Hisunny Chemical Co.,Ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99 Appearance:powder, or liquid Package:Bottle, barrel, cargo, container, etc. Storage:Stored in room temperature, ventilated place Transportation:By air, ship, express, etc. Application:Pharmaceuticals, intermediates, APIs, custom synthesis, chemicals
Min. Order:0
Supplier:LEAP CHEM Co., Ltd. [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99% Appearance:white powder Package:25kg,50kg,180kg,200kg,250kg,1000kg锛宑ustomization Storage:Keep it in dry,shady and cool place Transportation:by express or by sea Application:Pharma;Industry;Agricultural;chemical reaserch
Min. Order:0
Supplier:Wuhan Circle Star Chem-medical Technology co.,Ltd. [
China (Mainland)]
CAS No.80-40-0 Ethyl P-Toluenesulfonate
Assay:COA Appearance:COA Storage:in stock Application:MSDS/TDS
Min. Order:0
Supplier:Aecochem Corp. [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:98% Application:For research use only.
Min. Order:0
Supplier:Hebei Jinshengzhongtai Industry Co.,Ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate CAS: 80-40-0
Assay:99% Appearance:Colorless transparent liquid Package:Drum Storage:Preserve in well-closed, light-resistant and airtight containers. Transportation:By sea Application:Pharmaceutical Intermediates
Min. Order:5Metric Ton
Supplier:Henan Sinotech Import&Export Corporation [
China (Mainland)]
CAS No.80-40-0 Factory Supply Ethyl P-Toluenesulfonate
Assay:99.9% Appearance:Refer to COA Package:drum Storage:keep in cool and dry place Transportation:by sea or by air Application:Intermediates and materials
Min. Order:1
Supplier:Ality Chemical Corporation [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99% Appearance:powder Package:According to client's requirements Storage:Store in dry, dark and ventilated place. Transportation:by sea/by air/by express Application:pharmaceutical intermediates
Min. Order:1Gram
Supplier:Hangzhou KieRay Chem Co.,Ltd. [
China (Mainland)]
CAS No.80-40-0 Pharmaceutical Grade CAS 80-40-0 with competitive price
Assay:99% Appearance:White powder Package: [Packaging]20mg, 50mg,100mg,1g,10g,100g,according to customers' requirements Storage: should be stored in a well-closed container at low temperature, keep away from moisture, heat and light. Transportation:1. Samples 1kg-10kg are shipped by international express. 2. 50kg-100kg of goods are transported by dedicated line logistics. 3. Cargo 100kg-1ton is transported by dedicated line logistics. Application:Chemical raw materials, pharmaceutical intermediates, cosmetic raw materials, etc.
Min. Order:1Kilogram
Supplier:Zhuozhou Wenxi import and Export Co., Ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate 99%
Assay:99% Appearance:white powder Package:0.5kgs/bottle 1.0kgs/bottle 2.0kgs/bottle Storage:2-8掳C Transportation:Ais锛宻ea锛宭and transport Application:Used for organic synthesis as an ethyl agent, used in the pharmaceutical industry to produce bromobenzium, and also used as an intermediate for photosensitive materials. This product is a toughening a
Min. Order:1Kilogram
Supplier:Baoji Guokang Healthchem co.,ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99% Appearance:liquid or powder Package:according to the clients requirement Storage:Dry and Cool Place Transportation:UPS FedEx ,DHL,EXPRESS LINE Application:healing drugs
Min. Order:1Gram
Supplier:Shandong Mopai Biotechnology Co., LTD [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99% Appearance:white powder Package:drum or based on customers' requirement Storage:normal temperature storage Transportation:by sea, by air Application:We have different specifications for different applications
Min. Order:1Metric Ton
Supplier:Bluecrystal chem-union [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99.0% Appearance:Clear, colorless liquid Package:according to your requirement Storage:Store in a dry, dark and ventilated place Transportation:by air/by sea /by train Application:lt is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
Min. Order:1Kilogram
Supplier:Suzhou Senfeida Chemical Co., Ltd [
China (Mainland)]
CAS No.80-40-0 4-Toluenesulfonic acid ethyl ester
Assay:99% Haccp,,Halal,SC US FDA GMP ISO14001 Appearance:As per Certificate of analysis and our TDS, MSDS Package:Export standard and according to the clients requirement Storage:Store in dry, dark and ventilated place;ISO / Kosher /GMP licence commercial bulk capacity factory in China Transportation:By AIR or by SEA GMP licence / US-FDA,South Korea-KFDA Application:It is an important raw material and intermediate for chemical industry.
Min. Order:5Kiloliter
Supplier:Chemwill Asia Co., Ltd. [
China (Mainland)]
CAS No.80-40-0 2,6-ditert-butyl-4-(hydroxymethyl)phenol; 1,3,5-trimethylbenzene
Assay:97% Appearance:Powder or liquid Package:According to customer Storage:Store in a tightly closed container, in a cool and dry place. Transportation:Fedex,DHL,TNT,BY SEA and BY AIR Application:Medicinal Chemistry Biomedicine Pharmaceutical intermediates Chemistry experiment Biological experiments Chemical reagent For R&D use only.
Min. Order:10Milligram
Supplier:Amadis Chemical Co., Ltd. [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99%MIN Package:25KG Or as client requirement Storage:Available Transportation:By air or By sea Application:Important pharm intermediate
Min. Order:25Kilogram
Supplier:Wuhan Fortuna Chemical Co.,Ltd [
China (Mainland)]
CAS No.80-40-0 Acmec Ethyl4-methylbenzenesulfonate E90120 100mg
Assay:Analysis control,GC鈮?8% Appearance:See the datasheet Package:500g Storage:RT Transportation:By Express, Air and Road Application:Analytical reagent, biochemical reagent, standard
Min. Order:1bottle
Supplier:Shanghai Acmec Biochemical Technology Co., Ltd. [
China (Mainland)]
CAS No.80-40-0 ETHYL P-TOLUENESULFONATE
Assay:99% Appearance:White to light yellow to light orange fluffy powder Package:according to your requirement Storage:White to light yellow to light orange fluffy powder Transportation:by air /by train/by sea Application:lab
Min. Order:1Kilogram
Supplier:Jiangsu Xinsu New Materials Co., Ltd. [
China (Mainland)]
CAS No.80-40-0 Benzenesulfonic acid,4-methyl-, ethyl ester
Assay:99% Package:According to the customer request Transportation:According to the customer request Application:intermediate of Antimicrobial agent and Antioxidant
Min. Order:100Gram
Supplier:SHANGHAI SYSTEAM BIOCHEM CO., LTD [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:98% Appearance:solid or liquid Package:According to customer鈥榮 requirement Storage:Keep in a cool & dry place Transportation:by sea or air Application:Fine Intermediate
Min. Order:0
Supplier:Xiamen AmoyChem Co.,Ltd [
China (Mainland)]
CAS No.80-40-0 Benzenesulfonic acid,4-methyl-, ethyl ester
Assay:98% Appearance:Reference material object Package:According to customer requirements Storage:Sealed and preserved Transportation:By sea or by air Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
Min. Order:0
Supplier:Wuhan Newgreat Chemical Co., Ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluene sulfonate manufacturer
Assay:CP锛?8% Appearance:White powder Package:According client's requirements Storage:keep sealed and keep from direct light Transportation:by express or by sea Application:pharmaceutical
Min. Order:0
Supplier:Shanghai Yuanye Bio-Technology Co., Ltd. [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99.70% Appearance:10mg Package:Brown glass bottle Transportation:By Air Application:Laboratory analysis/Instrument calibration/Quality control
Min. Order:0
Supplier:Weiyel Inc [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:99% Application:Industrial use
Min. Order:0
Supplier:Yinglang Chemical Company [
China (Mainland)]
CAS No.80-40-0 Ethyl p-toluenesulfonate
Assay:98% Application:For research use only.
Min. Order:0
Supplier:Qingdao Bravery International Trade Co., Ltd [
China (Mainland)]
CAS No.80-40-0 Ethyl p-Toluenesulfonate
Assay:98% Package:According to the demand of customer Storage:Sealed, dry, microtherm , avoid light and smell. Transportation:by air or by sea Application:Organic synthesis
Min. Order:0
Supplier:Henan Allgreen Chemical Co.,Ltd [
China (Mainland)]
- Dayang Chem (Hangzhou) Co.,Ltd.
- HENAN NEW BLUE CHEMICAL CO.,LTD

Other Product
- 138-41-0/Carzenide
- 402-46-0/4-Fluorobenzenesulfonamide
- 3622-84-2/N-n-Butylbenzenesulfonamide
- 88-19-7/2-Methylbenzene-1-sulfonamide
- 35325-02-1/N-(2-Hydroxypropyl)benzenesulphonamide
- 80-39-7/N-Ethyl-p-toluenesulfonamide
- 640-61-9/N-Methyl-p-toluenesulfonamide
- 1907-65-9/N-Butyltoluene-4-sulfonamide
- 80-30-8/N-Cyclohexyl-4-methylbenzenesulfonamide
- 1338-51-8/o/p-Toluenesulfonamide formuladehyde resin
- 25035-71-6/Toluenesulfonamide formaldehyde resin
- 51253-00-0/Substituted benzene sulfonamide
- 1576-35-8/4-Methylbenzenesulfonhydrazide
- 80-17-1/Benzenesulfonyl hydrazide
- 80-51-3/4,4'-Oxybis(benzenesulfonyl hydrazide)
- 80-48-8/Methyl p-toluenesulfonate
- 28804-47-9/Methyl toluenesulfonate
- 80-40-0/Ethyl p-toluenesulfonate
- 80-18-2/Methyl benzenesulfonate
- 515-46-8/Ethyl benzenesulphonate
- 24308-84-7/Zinc benzenesulfinate dihydrate
- 873-55-2/Sodium benzenesulfinate
- 824-79-3/Sodium toluene-4-sulphinate
- 14752-66-0/Sodium 4-chlorobenzene sulfinate
- 10157-76-3/Dodecyl 4-methylbenzenesulfonate
- 1671-49-4/2-Nitro-4-methylsulfonyltoluene
- 22381-54-0/2-[(4-Methylphenyl)sulfonyl]ethanol
- 29385-43-1/Tolyltriazole
- 3710-84-7/N,N-Diethylhydroxylamine
- 15217-42-2/BENZOTRIAZOLE, SODIUM SALT