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1937-37-7 Suppliers

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Product FOB Price Min.Order Supply Ability Supplier
Direct Black 38 Manufacturer/High quality/Best price/In stock
Cas No: 1937-37-7
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Hangzhou Dayangchem Co., Ltd. Contact Supplier
Fresh In Stock: Direct Black Ex with BEST PRICE
Cas No: 1937-37-7
USD $ 1.0-1.0 / Metric Ton 1 Metric Ton 1000 Metric Ton/Day Scale Chemical Corporation Contact Supplier
Chlorazol Black E
Cas No: 1937-37-7
No Data 1 Kilogram 1 Metric Ton/Week Henan Allgreen Chemical Co.,Ltd Contact Supplier
High quality Direct Black Ex supplier in China
Cas No: 1937-37-7
No Data No Data No Data Simagchem Corporation Contact Supplier
Direct black 38 (C.I. 30235)
Cas No: 1937-37-7
No Data No Data No Data Chemwill Asia Co., Ltd. Contact Supplier
1937-37-7 C34H25N9Na2O7S2 Direct Black 38
Cas No: 1937-37-7
No Data 5 Gram 1 Kilogram/Day HENAN SUNLAKE ENTERPRISE CORPORATION Contact Supplier
black 38 dyes for cotton use dyes 1937-37-7
Cas No: 1937-37-7
USD $ 10.0-20.0 / Metric Ton 1 Metric Ton 200 Metric Ton/Week Crovell Biotech (Hebei) Co., Ltd. Contact Supplier
Direct Black 38 /High quality/Best price/In stock
Cas No: 1937-37-7
No Data 1 Milliliter 50 Kilogram/Month Jilin Tely Imp.& Exp.Co., Ltd. Contact Supplier
Direct Black 38 manufacturer
Cas No: 1937-37-7
No Data No Data No Data Shaanxi Mingqi Chemical Co., Ltd Contact Supplier
Direct Black 38
Cas No: 1937-37-7
No Data 1 Kilogram 1-100 Kilogram/Month Afine Chemicals Limited Contact Supplier

1937-37-7 Usage

Reactivity Profile

Direct Black 38 is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases may form with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases form with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides. Incompatible with strong acids [NTP, 1992)].

Chemical Properties

black crystalline powder

Air & Water Reactions

Azo dyes can be explosive when suspended in air at specific concentrations. Slightly soluble in water.

General Description

Gray-black microcrystals or black powder.

Health Hazard

ACUTE/CHRONIC HAZARDS: Direct Black 38 may be absorbed through the skin. When heated to decomposition it emits very toxic fumes of nitrogen oxides, disodium oxide and sulfur oxides.

Fire Hazard

Flash point data for Direct Black 38 are not available; however, Direct Black 38 is probably combustible.

1937-37-7 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Alfa Aesar (A13259)  Chlorazol Black E    1937-37-7 50g 1295.0CNY Detail
Alfa Aesar (A13259)  Chlorazol Black E    1937-37-7 10g 323.0CNY Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017


1.1 GHS Product identifier

Product name Direct Black 38

1.2 Other means of identification

Product number -
Other names Chlorazol Black

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:1937-37-7 SDS

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