4,4′-Diamino-2,2′-stilbenedisulfonic acid

Names

[ CAS No. ]:
81-11-8

[ Name ]:
4,4′-Diamino-2,2′-stilbenedisulfonic acid

[Synonym ]:
MFCD00024946
4,4'-diaminostilbene-2,2'-disulphonic acid
4,4′-Diamino-2,2′-stilbenedisulfonic acid
2,2'-(1,2-ethenediyl)bis(5-amino)benzenesulfonic acid
2,2'-(1,2-Ethenediyl)bis(5-aminobenzenesulfonic acid)
DSD ACID
Amsonic acid
AMSOMICACID
2,2'-Ethene-1,2-diylbis(5-aminobenzenesulfonic acid)
DASDA
flavonicacid
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-amino-
4,4'-diamino-stilbene-2,2'-disulfonic acid
DASD
DAS
4,4'-Diamino-2,2'-stilbenedisulfonic acid
EINECS 201-325-2
tinopalbhs

Chemical & Physical Properties

[ Density]:
1.7±0.1 g/cm3

[ Melting Point ]:
300 °C

[ Molecular Formula ]:
C₁₄H₁₄N₂O₆S₂

[ Molecular Weight ]:
370.401

[ Exact Mass ]:
370.029327

[ PSA ]:
177.54000

[ LogP ]:
-1.72

[ Index of Refraction ]:
1.726

[ Storage condition ]:
-20°C Freezer

[ Stability ]:
Stable. Combustible. Incompatible with iron, strong oxidizing agents.

[ Water Solubility ]:
<0.1 g/100 mL at 23 ºC

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WJ6603000

CHEMICAL NAME :: 2,2'-Stilbenedisulfonic acid, 4,4'-diamino-

CAS REGISTRY NUMBER :: 81-11-8

BEILSTEIN REFERENCE NO. :: 0629516

LAST UPDATED :: 199701

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C14-H14-N2-O6-S2

MOLECULAR WEIGHT :: 370.42

WISWESSER LINE NOTATION :: WSQR CZ F1U1R DZ BSWQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 47 gm/kg

TOXIC EFFECTS :: Liver - liver function tests impaired Kidney, Ureter, Bladder - renal function tests depressed

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 45(3),73,1980 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

DOSE :: 300 mg/kg

SEX/DURATION :: female 1 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - uterus, cervix, vagina

REFERENCE :: JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub., 1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76- Volume(issue)/page/year: 36,13,1992 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T1888 No. of Facilities: 38 (estimated) No. of Industries: 2 No. of Occupations: 5 No. of Employees: 948 (estimated)

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
C:Corrosive

[ Risk Phrases ]:
R34

[ Safety Phrases ]:
S24/25-S45-S36/37/39-S26-S22

[ RIDADR ]:
UN 2583

[ RTECS ]:
WJ6603000

[ HS Code ]:
2921420090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2921420090

[ Summary ]:
HS:2921420090 aniline derivatives and their salts VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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