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2,4-Diaminobenzenesulfonic acid

2,4-Diaminobenzenesulfonic acid Structure
CAS No.
88-63-1
Chemical Name:
2,4-Diaminobenzenesulfonic acid
Synonyms
O-AMINOSULFANILIC ACID;MPDSA;3-AMINO-4-SULFOANILINE;2,4-DIAMINO-1-SULFOBENZENE;4-Sulfo-1,3-diaminobenzene;m-Diaminobenzenesulfonicacid;2,4-diamino-benzenesulfonicaci;2,4-DIAMINOBENZENESULFONIC ACID;1,3-DIAMINOBENZENESULFONIC ACID;1,3-Phenylendiamin-4-sulfonsure
CBNumber:
CB1445868
Molecular Formula:
C6H8N2O3S
Molecular Weight:
188.2
MOL File:
88-63-1.mol
MSDS File:
SDS
Modify Date:
2024/6/18 21:58:05

2,4-Diaminobenzenesulfonic acid Properties

Melting point 260-266 °C (dec.)
Boiling point 500°C (estimate)
Density 1.366 (estimate)
vapor pressure 0Pa at 25℃
refractive index 1.6490 (estimate)
storage temp. -20°C Freezer, Under inert atmosphere
solubility DMSO (Slightly, Heated), Methanol (Slightly)
pka 2.99±0.10(Predicted)
form Solid
color White to Pale Yellow
Water Solubility 1000g/L at 25℃
BRN 2694057
LogP -4.65
CAS DataBase Reference 88-63-1(CAS DataBase Reference)
EPA Substance Registry System Benzenesulfonic acid, 2,4-diamino- (88-63-1)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313
Hazard Codes  Xi
Risk Statements  36/38-43-36/37/38
Safety Statements  26-36/39-37/39-36
RIDADR  1759
WGK Germany  2
RTECS  DB5900000
HazardClass  8
PackingGroup  III
HS Code  29309090
NFPA 704
1
2 0

2,4-Diaminobenzenesulfonic acid price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 32778 2,4-Diaminobenzenesulfonic acid ≥98.0% (T) 88-63-1 50G ₹3269.15 2022-06-14 Buy
TCI Chemicals (India) P0893 1,3-Phenylenediamine-4-sulfonic Acid 88-63-1 25G ₹2400 2022-05-26 Buy
TCI Chemicals (India) P0893 1,3-Phenylenediamine-4-sulfonic Acid 88-63-1 500G ₹14600 2022-05-26 Buy
ottokemi D 3941 2,4-Diaminobenzenesulphonic acid 98% 88-63-1 50gm ₹3006 2022-05-26 Buy
ottokemi D 3941 2,4-Diaminobenzenesulphonic acid 98% 88-63-1 100gm ₹5607 2022-05-26 Buy
Product number Packaging Price Buy
32778 50G ₹3269.15 Buy
P0893 25G ₹2400 Buy
P0893 500G ₹14600 Buy
D 3941 50gm ₹3006 Buy
D 3941 100gm ₹5607 Buy

2,4-Diaminobenzenesulfonic acid Chemical Properties,Uses,Production

Chemical Properties

brown crystalline powder

Uses

2,4-Diaminobenzenesulfonic acid was used in preparation of series of sulfonated homo- and random co-polyimides.

Production Methods

2,4-Diaminobenzenesulfonic acid is obtained by sulfonating a solution of m-phenylenediamine in 100% sulfuric acid with oleum at 155 ℃, adding water to the sulfonation mixture, desulfonating the resulting disulfonic acids at 140 ℃, and isolating the free acid at 10 ℃; yield 93%. Another process starts from 1-chloro-2,4-dinitrobenzene, which, as an alcoholic solution, is reacted with sodium sulfite solution to form 2,4-dinitrobenzenesulfonic acid, from which the end product is obtained by reduction with iron according to BE′CHAMP.

General Description

2,4-Diaminobenzenesulfonic acid is an sulfonated aromatic amine and its aerobic biodegradation was reported.

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3-Phenylenediamino-4-sulfonic acid 1,3-Phenylendiamin-4-sulfonsure 1,3-PHENYLENEDIAMINE-4-SULFONIC ACID 1,3-Diaminobenzene-4-sulfonic acid 1,3-diaminobenzene-6-sulfonic acid 1,3-DIAMINOBENZENESULFONIC ACID 3-AMINO-4-SULFOANILINE 2,4-DIAMINOBENZENESULFONIC ACID 2,4-DIAMINOBENZENESULPHONIC ACID 2,4-DIAMINO-1-SULFOBENZENE 2,4-diamino-benzenesulfonicaci kyselina1,3-fenylendiamin-4-sulfonova kyselina2,4-diaminobenzensulfonova META PHENYLENE DIAMINE 4-SULFONIC ACID m-Diaminobenzenesulfonicacid m-Phenylenediamine-4-sulphonicacid M-PHENYLENE DIAMINE-4-SULFONIC ACID M-PHENYLENEDIAMINESULFONIC ACID 4-Sulfo-1,3-diaminobenzene 2,4-Diaminobenzenesulfonic acid,97% 2,4-Diaminobenzenesulfonic acid >=98.0% (T) 2,4-Diaminobenzenesulfonic acid ISO 9001:2015 REACH Benzenesulfonic acid, 2,4-diamino- 1,3-Phenylenediamine-4-sulfonicAcid> 2,4-diaminobenzene-1-sulfonic acid O-AMINOSULFANILIC ACID MPDSA (2,4-Diaminobenzenesulfonic acid) (MPDSA) Meta Phenylene Diamine Sulfonic Acid (MPDSA) META PHENYLENE DIAMINE 4 SULFONIC ACID (MPDSA) 88-63-1 88-66-3 C6H8N2O3S Building Blocks Organic Building Blocks Sulfonic/Sulfinic Acids Sulfur Compounds Building Blocks Chemical Synthesis Organic Building Blocks Sulfonic/Sulfinic Acids Sulfur Compounds Intermediates of Dyes and Pigments Organic acids Organic Building Blocks Sulfonic/Sulfinic Acids Sulfur Compounds bc0001