2,5-Diaminobenzenesulfonic acid

Names

[ CAS No. ]:
88-45-9

[ Name ]:
2,5-Diaminobenzenesulfonic acid

[Synonym ]:
EINECS 201-832-9
Benzenesulfonic acid, 2,5-diamino-
MFCD00007904
2,5-Diaminobenzenesulfonic acid
ZR DZ BSWQ

Chemical & Physical Properties

[ Density]:
1.6±0.1 g/cm3

[ Boiling Point ]:
500ºC

[ Melting Point ]:
298-300ºC

[ Molecular Formula ]:
C₆H₈N₂O₃S

[ Molecular Weight ]:
188.204

[ Flash Point ]:
Not applicable.

[ Exact Mass ]:
188.025558

[ PSA ]:
114.79000

[ LogP ]:
-1.78

[ Index of Refraction ]:
1.684

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DB5900100

CHEMICAL NAME :: Benzenesulfonic acid, 2,5-diamino-

CAS REGISTRY NUMBER :: 88-45-9

BEILSTEIN REFERENCE NO. :: 2970398

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C6-H8-N2-O3-S

MOLECULAR WEIGHT :: 188.22

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Unscheduled DNA synthesis

TEST SYSTEM :: Rodent - rat Liver

DOSE/DURATION :: 100 umol/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 206,183,1988

Safety Information

[ Symbol ]:

GHS05

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H314

[ Precautionary Statements ]:
P280-P305 + P351 + P338-P310

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges

[ Hazard Codes ]:
C:Corrosive;

[ Risk Phrases ]:
R34

[ Safety Phrases ]:
S26-S36/37/39-S45

[ RIDADR ]:
UN 2583

[ WGK Germany ]:
2

[ RTECS ]:
DB5900100

[ Packaging Group ]:
III

[ HS Code ]:
2921519090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2921519090

[ Summary ]:
2921519090. o-, m-, p-phenylenediamine, diaminotoluenes, and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:17.0%. . MFN tariff:6.5%. General tariff:30.0%

Articles

Laccase-assisted dyeing of cotton.

Biotechnol. Lett. 28(10) , 755-9, (2006)

Cotton cellulose was dyed "in situ" with a polymeric dye generated by oxidative coupling of colourless 2,5-diaminobenzenesulfonic acid and 1-hydroxyphenol (catechol) with laccase. Up to 70% dye fixati...

Effect of some process parameters in enzymatic dyeing of wool.

Appl. Biochem. Biotechnol. 111(1) , 1-13, (2003)

This article reports on the dyeing of wool using an enzymatic system comprising laccase; dye precursor, 2,5-diaminobenzenesulfonic acid; and dye modifiers, catechol and resorcinol. Enzymatic dyeing wa...

A DL-DOPA drop test for the identification of Cryptococcus neoformans.

Mycopathologia 74(3) , 143-8, (1981)

A simple melanin assay using DL.DOPA as the substrate was developed to aid in the identification of Cryptococcus neoformans. The DL-DOPA drop test was simple and efficient. The best results (100% of t...