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CAS 60-11-7 | Methyl Yellow

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Common Name	Methyl Yellow
CAS Number	60-11-7	Molecular Weight	225.289
Density	1.0±0.1 g/cm3	Boiling Point	371.0±25.0 °C at 760 mmHg
Molecular Formula	C₁₄H₁₅N₃	Melting Point	111 °C (dec.)(lit.)
MSDS	ChineseUSA	Flash Point	178.2±23.2 °C
Symbol	GHS06, GHS08	Signal Word	Danger

Names

Name	4-(dimethylamino)azobenzene
Synonym	More Synonyms

Methyl Yellow BiologicalActivity

Description	Methyl yellow (Solvent Yellow 2) is a pH indicator. Methyl yellow appears red at low pH, and becomes yellow above pH 4.0[1].
Related Catalog	Research Areas >>OthersSignaling Pathways >>Others >>Others
References	[1]. Nakano N, et, al. An automatic monitor of formaldehyde in air by a monitoring tape method. J Environ Monit. 1999 Jun;1(3):255-8.

Chemical & Physical Properties

Density	1.0±0.1 g/cm3
Boiling Point	371.0±25.0 °C at 760 mmHg
Melting Point	111 °C (dec.)(lit.)
Molecular Formula	C₁₄H₁₅N₃
Molecular Weight	225.289
Flash Point	178.2±23.2 °C
Exact Mass	225.126602
PSA	27.96000
LogP	4.43
Vapour Pressure	0.0±0.8 mmHg at 25°C
Index of Refraction	1.567
InChIKey	JCYPECIVGRXBMO-UHFFFAOYSA-N
SMILES	CN(C)c1ccc(N=Nc2ccccc2)cc1
Storage condition	Store at RT.
Water Solubility	13.6 mg/L

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: BX7350000

CHEMICAL NAME :: Aniline, N,N-dimethyl-p-phenylazo-

CAS REGISTRY NUMBER :: 60-11-7

LAST UPDATED :: 199710

DATA ITEMS CITED :: 87

MOLECULAR FORMULA :: C14-H15-N3

MOLECULAR WEIGHT :: 225.32

WISWESSER LINE NOTATION :: 1N1&R DNUNR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 200 mg/kg

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

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 230 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - cyanosis

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 300 mg/kg

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

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 230 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - cyanosis

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5426 mg/kg/17W-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1440 mg/kg/90W-I

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Skin and Appendages - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3830 ug/kg

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Liver - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 4000 mg/kg female 15-21 day(s) after conception

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Reproductive - Tumorigenic effects - transplacental tumorigenesis Lungs, Thorax, or Respiration - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Multiple routes

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 400 mg/kg/I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors Tumorigenic - tumors at site of application

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 9600 mg/kg/69W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Kidney, Ureter, Bladder - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - hamster

DOSE/DURATION :: 9600 mg/kg/42W-I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - change in gall bladder structure or function Blood - other hemolysis with or without anemia

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2600 mg/kg/13W-C

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 13 gm/kg/53W-C

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1920 mg/kg/14W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1800 mg/kg/14W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2331 mg/kg/7W-I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 17200 mg/kg/17W-C

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 8316 mg/kg/33W-C

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3990 mg/kg/19W-C

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - consolidation Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 11 mg/kg

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 800 mg/kg/64D-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

DOSE :: 3 gm/kg

SEX/DURATION :: male 5 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 200 mg/kg

SEX/DURATION :: female 10 day(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - musculoskeletal system

TYPE OF TEST :: DNA adduct

TYPE OF TEST :: DNA adduct

TYPE OF TEST :: Cytogenetic analysis

TYPE OF TEST :: Micronucleus test

TYPE OF TEST :: DNA adduct

TYPE OF TEST :: DNA adduct

TYPE OF TEST :: DNA inhibition

TYPE OF TEST :: DNA inhibition

TYPE OF TEST :: Sister chromatid exchange

TYPE OF TEST :: Sperm Morphology

TYPE OF TEST :: Morphological transformation

MUTATION DATA

TYPE OF TEST :: Morphological transformation

TEST SYSTEM :: Non-mammalian species Cells - not otherwise specified

REFERENCE :: AOHYA3 Annals of Occupational Hygiene. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 20,297,1977 *** REVIEWS *** IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 8,125,1975 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 8,125,1975 IARC Cancer Review:Group 2B IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 TOXICOLOGY REVIEW ALLVAR Alimentation et la Vie. (Societe Scientifique d'Hygiene Alimentaire, 16, rue de l'Estrapade, 75005 Paris, France) V.39- 1951- Volume(issue)/page/year: 50,77,1962 TOXICOLOGY REVIEW BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills, Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year: 6,270,1952 TOXICOLOGY REVIEW ADCSAJ Advances in Chemistry Series. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) No.1- 1950- Volume(issue)/page/year: 13,271,1970 TOXICOLOGY REVIEW JONUAI Journal of Nutrition. (Subscription Dept., 9650 Rockville Pike, Bethesda, MD 20014) V.1- 1928- Volume(issue)/page/year: 44,345,1951 TOXICOLOGY REVIEW BLFSBY Basic Life Sciences. (Plenum Pub. Corp., 223 Spring St., New York, NY 10003) V.1- 1973- Volume(issue)/page/year: 24,129,1983 *** U.S. STANDARDS AND REGULATIONS *** OSHA PEL (Construc):see CFR 29,1926.1115 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA-cancer suspect agent CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1015,1987 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FINLAND;Carcinogen JAN 1993 OEL-FRANCE;Carcinogen JAN 1993 OEL-SWEDEN;Carcinogen JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO 4-DIMETHYLAMINOAZOBENZENE-air:CA use 29 CFR 1910.1015 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 26175 No. of Facilities: 29 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 42 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 26175 No. of Facilities: 56 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 1453 (estimated) No. of Female Employees: 996 (estimated)

Safety Information

Symbol	GHS06, GHS08
Signal Word	Danger
Hazard Statements	H301-H351
Precautionary Statements	P281-P301 + P310
Personal Protective Equipment	Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes	T:Toxic;
Risk Phrases	R25;R40;R68
Safety Phrases	S36/37-S45
RIDADR	UN 2811 6.1/PG 3
WGK Germany	3
RTECS	BX7350000
Packaging Group	III
Hazard Class	6.1
HS Code	29270000

Customs

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%

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Synonyms

Azobenzene, p-dimethylamino-

Aniline, N,N-dimethyl-p-phenylazo-

4′-(dimethylamino)azobenzene

N,N-Dimethyl-p-phenylazoaniline

Benzenamine, N,N-dimethyl-4- (phenylazo)-

p-Dimethylaminoazobenzen

MFCD00008308

4-(N,N-DIMETHYLAMINO)AZOBENZENE

N,N-Dimethyl-4-[(E)-phenyldiazenyl]aniline

EINECS 200-455-7

N,N-Diméthyl-4-[(E)-phényldiazènyl]aniline

4-dimethylaminophenylazobenzene

Butter Yellow

C.I. Solvent Yellow 2 (8CI)

Azobenzene, p-(dimethylamino)-

C.I. SOLVENT YELLOW 2

Dimethyl yellow

Solvent Yellow 2

Methyl Yellow

Aniline, N,N-dimethyl-p-(phenylazo)-

Benzenamine, N,N-dimethyl-4-[(E)-2-phenyldiazenyl]-

N,N-dimethyl-4-(phenylazo)aniline

benzenamine, N,N-dimethyl-4-[(E)-phenylazo]-

p-Dimethylaminoazobenzene

Benzenamine, N,N-dimethyl-4-(phenylazo)-

p-(Dimethylamino)azobenzene

4-(Dimethylamino)azobenzene

4-DIMETHYLAMINOAZOBENZENE

4-(Dimethylamino)phenylazobenzene

4′-dimethylaminoazobenzene

N,N-Dimethyl-4-(phenylazo)benzenamine

N,N-Dimethyl-4-phenylazoaniline

N,N-Dimethyl-p-(phenylazo)aniline

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