Yellow pyoctanine

Modify Date: 2026-07-10 20:11:56

Yellow pyoctanine structure	Common Name	Yellow pyoctanine
	CAS Number	492-80-8	Molecular Weight	267.36900
	Density	1.383 g/mL at 25 °C(lit.)	Boiling Point	73 °C733.4 mm Hg(lit.)
	Molecular Formula	C₁₇H₂₁N₃	Melting Point	43 °C
	MSDS	Chinese USA	Flash Point	193 °F
	Symbol	GHS07, GHS08, GHS09	Signal Word	Warning

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name	auramine O free base
Synonym	More Synonyms

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density	1.383 g/mL at 25 °C(lit.)
Boiling Point	73 °C733.4 mm Hg(lit.)
Melting Point	43 °C
Molecular Formula	C₁₇H₂₁N₃
Molecular Weight	267.36900
Flash Point	193 °F
Exact Mass	267.17400
PSA	30.33000
LogP	3.33450
Vapour density	4.38 (vs air)
Vapour Pressure	8.31E-07mmHg at 25°C
Index of Refraction	1.4400
InChIKey	JPIYZTWMUGTEHX-UHFFFAOYSA-N
SMILES	CN(C)c1ccc(C(=N)c2ccc(N(C)C)cc2)cc1
Water Solubility	27.9 g/L (20 º C)

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

Yellow pyoctanine MSDS(Chinese)

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: BY3500000

CHEMICAL NAME :: Aniline, 4,4'-(imidocarbonyl)bis(N,N-dimethyl-

CAS REGISTRY NUMBER :: 492-80-8

BEILSTEIN REFERENCE NO. :: 2215338

LAST UPDATED :: 199707

DATA ITEMS CITED :: 33

MOLECULAR FORMULA :: C17-H21-N3

MOLECULAR WEIGHT :: 267.41

WISWESSER LINE NOTATION :: 1N1&R DYUM&R DN1&1

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 :: 3 gm/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - changes in motor activity (specific assay) Behavioral - muscle weakness

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 103 mg/kg

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 12 gm/kg/40D-I

TOXIC EFFECTS :: Blood - methemoglobinemia-carboxyhemoglobin Blood - changes in leukocyte (WBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 20 mg/kg/17W-I

TOXIC EFFECTS :: Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - catalases

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 37 gm/kg/87W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumor types after systemic administration not seen spontaneously

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 263 mg/kg/21W-C

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 29 gm/kg/52W

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Liver - tumors Blood - lymphoma, including Hodgkin's disease

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 42 gm/kg/50W-C

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

TYPE OF TEST :: Sex chromosome loss and nondisjunction

TYPE OF TEST :: Morphological transformation

TYPE OF TEST :: DNA inhibition

MUTATION DATA

TYPE OF TEST :: Morphological transformation

TEST SYSTEM :: Rodent - hamster Embryo

DOSE/DURATION :: 2 mg/L

REFERENCE :: NCIMAV National Cancer Institute, Monograph. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) No.1- 1959- Volume(issue)/page/year: 58,243,1981 *** 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: 1,69,1972 IARC Cancer Review:Human Inadequate Evidence IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,118,1987 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: 7,118,1987 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FINLAND;Carcinogen JAN 1993 OEL-FRANCE;Carcinogen JAN 1993 OEL-GERMANY;Carcinogen JAN 1993 OEL-SWEDEN;Carcinogen JAN 1993 OEL-SWITZERLAND;Carcinogen JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M4858 No. of Facilities: 11 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 726 (estimated)

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol	GHS07, GHS08, GHS09
Signal Word	Warning
Hazard Statements	H302-H319-H351-H411
Precautionary Statements	P273-P281-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;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	Xn: Harmful;N: Dangerous for the environment;
Risk Phrases	R22
Safety Phrases	S36/37-S61
RIDADR	UN 3077 9 / PGIII
RTECS	BY3500000
HS Code	2925290090

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor 9
CAS#:101-61-1 4,4'-Methyleneb... CAS#:90-94-8 Michler's ketone CAS#:586-77-6 4-Bromo-N,N-dim... CAS#:119-58-4 Bis[4-(dimethyl...
CAS#:345921-89-3 bis-(4-dimethyl... CAS#:58379-76-3 2,2-bis(4-(dime... CAS#:6083-47-2 4-(Dimethylamin... CAS#:7664-41-7 Ammonia
CAS#:121-69-7 N,N-Dimethylaniline
DownStream 3
CAS#:90-94-8 Michler's ketone CAS#:603-48-5 Leucocrystal violet CAS#:1226-46-6 di[4-(dimethyla...

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code	2925290090
Summary	2925290090 other imines and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

This table lists relevant public references with title, journal and publication metadata for this compound.

Ionic liquid-based matrix solid-phase dispersion coupled with homogeneous liquid-liquid microextraction of synthetic dyes in condiments.

J. Chromatogr. A. 1348 , 52-62, (2014)

The ionic liquid-based matrix solid-phase dispersion homogeneous liquid-liquid microextraction (IL-based MSPD-HLLME) was developed and applied to the extraction of four banned dyes, including chrysoid...

Macrophage-inducible C-type lectin Mincle-expressing dendritic cells contribute to control of splenic Mycobacterium bovis BCG infection in mice.

Infect. Immun. 83(1) , 184-96, (2014)

The macrophage-inducible C-type lectin Mincle has recently been identified to be a pattern recognition receptor sensing mycobacterial infection via recognition of the mycobacterial cell wall component...

Host immune response to tuberculous meningitis.

Clin. Infect. Dis. 60(2) , 177-87, (2014)

Tuberculous meningitis (TBM) is a severe complication of tuberculosis predominantly affecting young children. Early treatment is vital to prevent morbidity and mortality, emphasizing the importance of...

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

CISOLVENTYELLOW

Blauramine

Baso Yellow 124

Auramine OAF

Yellow pyoctanine

Auramine N Base

Auramine Base

4,4'-bis-dimethylamino-benzophenone-imine

Auramine SS

4,4'-Dimethylaminobenzophenonimide

4,4'-bis(N,N-dimethylamino)benzophenone

4,4'-Bis-dimethylamino-benzophenon-imin

EINECS 207-762-5

Apyonin

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the CAS number of auramine O free base?

A: CAS number of auramine O free base is 492-80-8.

Q: What is the English name of auramine O free base?

A: The English name of auramine O free base is auramine O free base.

Q: What are the upstream materials of auramine O free base?

A: Related upstream materials(CAS) of auramine O free base: 101-61-1;90-94-8;586-77-6;119-58-4;345921-89-3;58379-76-3;6083-47-2;7664-41-7;121-69-7.

Q: What is the melting point of auramine O free base?

A: Melting point of auramine O free base is 43 °C.

Q: What is the safety information for auramine O free base?

A: Safety information for auramine O free base: S36/37-S61.

Q: What is the molecular weight of auramine O free base?

A: Molecular weight of auramine O free base is 267.36900.

Q: What English synonyms does auramine O free base have?

A: English synonyms of auramine O free base: CISOLVENTYELLOW, Blauramine, Baso Yellow 124, Auramine OAF, Yellow pyoctanine, Auramine N Base, Auramine Base, 4,4'-bis-dimethylamino-benzophenone-imine, Auramine SS, 4,4'-Dimethylaminobenzophenonimide, 4,4'-bis(N,N-dimethylamino)benzophenone, 4,4'-Bis-dimethylamino-benzophenon-imin, EINECS 207-762-5, Apyonin.

Q: What is the SMILES notation of auramine O free base?

A: SMILES notation of auramine O free base is CN(C)c1ccc(C(=N)c2ccc(N(C)C)cc2)cc1.

Q: What is the LogP of auramine O free base?

A: LogP of auramine O free base is 3.33450.

Q: What are the downstream products of auramine O free base?

A: Related downstream products(CAS) of auramine O free base: 90-94-8;603-48-5;1226-46-6.

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd

Dayang Chem (Hangzhou) Co., Ltd.

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Auramineanalyticalstandard
Price: Check
Purity: 97.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Yellow pyoctanine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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Yellow pyoctanine

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MSDS

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HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

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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.