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81-11-8

81-11-8 structure
81-11-8 structure
Name 4,4'-Diamino-2,2'-stilbenedisulfonic acid
Synonyms 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
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

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)
Symbol GHS07
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
1211962-72-9 structure

1211962-72-9

~%

81-11-8 structure

81-11-8

Literature: Chemische Berichte, , vol. 30, p. 3100 Journal of the Chemical Society, , vol. 89, p. 1605 Chemische Berichte, , vol. 36, p. 1554
121-03-9 structure

121-03-9

~%

81-11-8 structure

81-11-8

Literature: DE38735 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 1, p. 510
121-03-9 structure

121-03-9

~%

118-88-7 structure

118-88-7

81-11-8 structure

81-11-8

Literature: Chemische Berichte, , vol. 19, p. 3235 DE40575 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 1, p. 512
119-72-2 structure

119-72-2

~%

81-11-8 structure

81-11-8

Literature: Bulletin de la Societe Chimique de France, , vol. <3> 29, p. 349
121-03-9 structure

121-03-9

7803-57-8 structure

7803-57-8

111-46-6 structure

111-46-6

~%

81-11-8 structure

81-11-8

Literature: Journal of the American Chemical Society, , vol. 70, p. 2802,2804
1211962-72-9 structure

1211962-72-9

7803-57-8 structure

7803-57-8

111-46-6 structure

111-46-6

~%

81-11-8 structure

81-11-8

Literature: Journal of the American Chemical Society, , vol. 70, p. 2802,2804
6404-60-0 structure

6404-60-0

7803-57-8 structure

7803-57-8

111-46-6 structure

111-46-6

~%

81-11-8 structure

81-11-8

Literature: Journal of the American Chemical Society, , vol. 70, p. 2802,2804
7647-01-0 structure

7647-01-0

16473-79-3 structure

16473-79-3

~%

5136-34-5 structure

5136-34-5

81-11-8 structure

81-11-8

Literature: Journal of the Chemical Society, , vol. 89, p. 1605
7647-01-0 structure

7647-01-0

1211962-72-9 structure

1211962-72-9

7732-18-5 structure

7732-18-5

~%

5136-34-5 structure

5136-34-5

Detail
Literature: Journal of the Chemical Society, , vol. 89, p. 1605 Chemische Berichte, , vol. 36, p. 1554
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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