3,4-Diaminobenzenesulfonic acid

Basic Information

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CAS Number

7474-78-4

Molecular Formula

C6H8N2O3S

Molecular Weight

188.21 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Amines

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Physical State

Yellow to Brown Solid

Melting Point

305-308°C

Boiling Point

178-179 °C3 mm Hg

Density

0.936 g/mL at 25 °C

Flash Point

>230 °F

Solubility

hexane, toluene, ethanol and acetone: soluble

Refractive Index

n20/D 1.441(lit.)

SMILES

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C1=CC(=C(C=C1S(=O)(=O)O)N)N

InChI

InChI=1S/C6H8N2O3S/c7-5-2-1-4(3-6(5)8)12(9,10)11/h1-3H,7-8H2,(H,9,10,11)

InChIKey

FKSRSWQTEJTBMI-UHFFFAOYSA-N

LogP

0.09769999999999995

Topological Polar Surface Area

106.41000000000001 Å²

Hydrogen Bond Donor/Acceptor

5 / 5

Complexity

246

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Synonyms & References

English

SY101792
NSC-401086
Benzenesulfonic acid, 3,4-diamino-;3,4-Diaminobenzene-1-sulfonic acid
AKOS003247432
FKSRSWQTEJTBMI-UHFFFAOYSA-N
4-amino-3-ammoniobenzenesulfonate
BCP32008
EC 231-274-1
NSC 401086
SCHEMBL391971
NS00002363
AC-22311
NSC401086
3,4-Diaminobenzenesulphonic acid
DTXSID4064715
W-110224
7474-78-4
J9E8XPC6K2
?3,4-Diaminobenzenesulfonic acid
MFCD00270799
3,4-Diaminobenzenesulfonic acid
CS-0157036
EN300-104206
EINECS 231-274-1
AS-15525
1,2-PHENYLENEDIAMINE-4-SULFONIC ACID
Benzenesulfonic acid, 3,4-diamino-
3,4-Diaminobenzenesulfonicacid
FT-0659936
3,4-Diamino-benzenesulfonic acid
3,4-diaminobenzene-1-sulfonic acid

MDL Number

MFCD00270799

Customs Code

2921420090

FAQ

What is 3,4-Diaminobenzenesulfonic acid (CAS: 7474-78-4)?

3,4-Diaminobenzenesulfonic acid is a chemical compound with the CAS number 7474-78-4. It is a white crystalline solid with a pungent odor. It is used in various applications such as pharmaceuticals, dyes, and research due to its chemical properties.

What are the main uses of 3,4-Diaminobenzenesulfonic acid (CAS: 7474-78-4)?

3,4-Diaminobenzenesulfonic acid is primarily used in the synthesis of drugs, dyes, and as a reagent in organic synthesis. It is also utilized in the food industry as a food additive and in research for its catalytic properties.

Is 3,4-Diaminobenzenesulfonic acid (CAS: 7474-78-4) safe?

3,4-Diaminobenzenesulfonic acid is generally considered safe under normal handling conditions. However, it is corrosive and may cause skin irritation or eye damage. Proper handling and use of personal protective equipment (PPE) such as gloves and goggles are recommended to ensure safety.

How should 3,4-Diaminobenzenesulfonic acid (CAS: 7474-78-4) be stored?

3,4-Diaminobenzenesulfonic acid should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a tightly sealed container to prevent moisture absorption. Avoid contact with water and ensure proper ventilation during storage to prevent degradation and ensure safety.