Acid Black 1 Chemical Properties

Melting point:

>350℃

Density 

1.05 g/mL at 20 °C

Flash point:

30 °C

storage temp. 

Store at RT.

solubility 

10g/l

form 

Powder/Solid

Colour Index 

20470

color 

Dark Brown

PH

9.0 (10g/l, H2O, 25℃)

Water Solubility 

10 g/L (25 ºC)

Sensitive 

Hygroscopic

BRN 

5374263

Stability:

Stable. Incompatible with strong oxidizing agents.

CAS DataBase Reference

1064-48-8

EPA Substance Registry System

C.I. Acid Black 1, disodium salt (1064-48-8)

Safety Information

Hazard Codes 

Xi,C,F

Risk Statements 

36/37/38-10-34-11-67-36/38

Safety Statements 

26-36-37/39-45-36/37/39-23-16

RIDADR 

UN 2924 3/PG 3

WGK Germany 

3

RTECS 

QJ6196000

TSCA 

Yes

HS Code 

32041200

Toxicity

LD50 orally in Rabbit: > 5000 mg/kg

MSDS

• Language:English Provider:4-Amino-5-hydroxy-3-(p-nitrophenylazo)-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt
• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

Acid Black 1 Usage And Synthesis

Chemical Properties

red to maroon crystalline solid

Definition

ChEBI: An organic sodium salt resulting from the formal condensation of Amido Black 10B (acid form) with two equivalents of sodium hydroxide.

General Description

Dark brown granular solid.

Air & Water Reactions

Can be explosive when as a dust in air at certain concentrations. Moderately soluble in water.

Reactivity Profile

Acid Black 1 may form toxic gases 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. May form flammable gases with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides. Reacts with iron to give a weaker, greener color .

Fire Hazard

Flash point data for Acid Black 1 are not available; however, Acid Black 1 is probably combustible.

Acid Black 1(1064-48-8)Related Product Information

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• ACETAMINOPHENOL BP/USP
• Glucosamine
• Naphthalene
• ALTRENOGEST
• CHLOROPHOSPHONAZO III