4-aminoazobenzene-3,4'-disulfonic acid

Modify Date: 2025-08-22 06:17:09

4-aminoazobenzene-3,4'-disulfonic acid structure	Common Name	4-aminoazobenzene-3,4'-disulfonic acid
	CAS Number	101-50-8	Molecular Weight	357.36200
	Density	0,928 g/cm3	Boiling Point	103 °C
	Molecular Formula	C₁₂H₁₁N₃O₆S₂	Melting Point	13°C
	MSDS	N/A	Flash Point	5°C

Name	4-aminoazobenzene-3,4'-disulfonic acid
Synonym	More Synonyms

Density	0,928 g/cm3
Boiling Point	103 °C
Melting Point	13°C
Molecular Formula	C₁₂H₁₁N₃O₆S₂
Molecular Weight	357.36200
Flash Point	5°C
Exact Mass	357.00900
PSA	176.24000
LogP	4.92040
Index of Refraction	1.4146

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DB5030000

CHEMICAL NAME :: Benzenesulfonic acid, 4-(4-amino-3-sulfophenylazo)-

CAS REGISTRY NUMBER :: 101-50-8

BEILSTEIN REFERENCE NO. :: 0711063

LAST UPDATED :: 199701

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C12-H11-N3-O6-S2

MOLECULAR WEIGHT :: 357.38

WISWESSER LINE NOTATION :: WSQR BZ ENUNR DSWQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,192,1972 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 14800 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,192,1972 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4083 No. of Facilities: 25 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 737 (estimated)

Hazard Codes	Xi,F
Risk Phrases	R11:Highly Flammable.
Safety Phrases	S9-S16-S33
RIDADR	3272
Packaging Group	II
Hazard Class	3
HS Code	2927000090

4-[(E)-phenyldi...

CAS#:3457-98-5

4-aminoazobenze...

CAS#:101-50-8

4'-Aminoazobenz...

CAS#:104-23-4

Literature: Chemische Berichte, , vol. 15, p. 2189 Chemische Berichte, , vol. 22, p. 848 DE4186 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 1, p. 439

4'-Aminoazobenz...

CAS#:104-23-4

4-aminoazobenze...

CAS#:101-50-8

Literature: Chemische Berichte, , vol. 15, p. 2189

P-DIAZOBENZENES...

CAS#:305-80-6

4-aminoazobenze...

CAS#:101-50-8

Literature: Chemische Berichte, , vol. 15, p. 2189

4-[(E)-phenyldi...

CAS#:3457-98-5

4-aminoazobenze...

CAS#:101-50-8

Literature: Chemische Berichte, , vol. 15, p. 2189

CAS#:74497-02-2

4-aminoazobenze...

CAS#:101-50-8

Literature: Chemische Berichte, , vol. 15, p. 2189

Sulfuric acid

CAS#:7664-93-9

Aniline Yellow

CAS#:60-09-3

4-aminoazobenze...

CAS#:101-50-8

4'-Aminoazobenz...

CAS#:104-23-4

Literature: Chemische Berichte, , vol. 22, p. 848 Chemische Berichte, , vol. 33, p. 1366 DE4186 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 1, p. 439 Z.Ang., , vol. 9, p. 691

Precursor 5
CAS#:3457-98-5 4-[(E)-phenyldi... CAS#:104-23-4 4'-Aminoazobenz... CAS#:305-80-6 P-DIAZOBENZENES... CAS#:7664-93-9 Sulfuric acid
CAS#:60-09-3 Aniline Yellow
DownStream 2
CAS#:88-45-9 2,5-Diaminobenz... CAS#:121-57-3 Sulfanilic acid

HS Code	2927000090
Summary	2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

4-Aminoazobenzene-3,4'-disulphonic acid

6-amino-3,4'-azo-bis-benzenesulfonic acid

Benzenesulfonic acid,6-amino-3,4'-azodi

Kyselina 4-aminoazobenzen-3,4'-disulfonova

2-amino-5-[(4-sulfophenyl)diazenyl]benzenesulfonic acid

4-Aminoazobenzene-3,4'-disulfonic acid

EINECS 202-947-7

(Benzol-sulfonsaeure-(1))-(4 azo 4)-(anilin-sulfonsaeure-(2))

1-(4-sulpho-1-phenylazo)-4-aminobenzene-5-sulphonic acid

4-Amino-azobenzol-disulfonsaeure-(3.4')

6-Amino-3,4'-azo-bis-benzolsulfonsaeure

Azobenzene-3,4'-disulfonic acid,4-amino

4-Amino-3,4'-disulfoazobenzene

4-(4-Amino-3-sulfophenylazo)benzenesulfonic acid

MFCD00065339

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4-aminoazobenzene-3,4'-disulfonic acid

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Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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Precursor & DownStream

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The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.