C.I. Direct Orange 31(6420-03-7)
- Name: C.I. Direct Orange 31
- Synonyms:Benzoicacid,5-[[4'-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-,disodium salt (9CI); C.I. Direct Orange 31, disodium salt (8CI); C.I. 23655;C.I. Direct Orange 31; Diaphtamine Fast Orange PRS; Diazol Brilliant Orange RN;Direct Fast Orange PRN; Direct Orange 31; NSC 326199
- Molecular Formula:C31H26 N6 O7 S . 2 Na
- Molecular Weight:650.64
- CAS Registry Number:6420-03-7
- EINECS:
- Melting Point:
- Water Solubility:
CAS No.6420-03-7 Benzoic acid,5-[2-[4'-[2-[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-2-hydroxy-,sodium salt (1:2)
Assay:90%,98% Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place. Transportation:by air or by sea Application:Used in Synthesis, Pharmaceuticals and other fields
Min. Order:1Kilogram
Supplier:Dayang Chem (Hangzhou) Co.,Ltd. [
China (Mainland)] 
Assessed
SupplierTel:+86-571-88938639
Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China
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CAS No.6420-03-7 Benzoic acid,5-[2-[4'-[2-[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-2-hydroxy-,sodium salt (1:2)
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)] 
Assessed
SupplierTel:+86-189 8945 5137
Address:Jian Qiao Community, 789 Shenhua Road, Xihu District, Hangzhou, China, 310000
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CAS No.6420-03-7 Benzoic acid,5-[2-[4'-[2-[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-2-hydroxy-,sodium salt (1:2)
Assay:99% Transportation:By sea Application:Pharmaceutical industry
Min. Order:0
Supplier:Antimex Chemical Limied [
China (Mainland)] 
Assessed
SupplierTel:0086-21-50563169
Address:Room1027,No.Jinyu Road,Pudong
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CAS No.6420-03-7 Benzoic acid,5-[2-[4'-[2-[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-2-hydroxy-,sodium salt (1:2)
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)] 
Premium
SupplierTel:+86-1895157
Address:Liang Xi Qu
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