m-methyl red

Modify Date: 2025-08-27 19:10:44

m-methyl red structure	Common Name	m-methyl red
	CAS Number	20691-84-3	Molecular Weight	269.298
	Density	1.2±0.1 g/cm3	Boiling Point	486.2±30.0 °C at 760 mmHg
	Molecular Formula	C₁₅H₁₅N₃O₂	Melting Point	N/A
	MSDS	N/A	Flash Point	247.8±24.6 °C

Use of m-methyl red

Name	3-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid
Synonym	More Synonyms

Density	1.2±0.1 g/cm3
Boiling Point	486.2±30.0 °C at 760 mmHg
Molecular Formula	C₁₅H₁₅N₃O₂
Molecular Weight	269.298
Flash Point	247.8±24.6 °C
Exact Mass	269.116425
PSA	65.26000
LogP	4.17
Vapour Pressure	0.0±1.3 mmHg at 25°C
Index of Refraction	1.593

m-methyl red MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DG8959500

CHEMICAL NAME :: Benzoic acid, m-((p-(dimethylamino)phenyl)azo)-

CAS REGISTRY NUMBER :: 20691-84-3

BEILSTEIN REFERENCE NO. :: 1843300

LAST UPDATED :: 199612

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C15-H15-N3-O2

MOLECULAR WEIGHT :: 269.33

WISWESSER LINE NOTATION :: QVR CNUNR 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 :: 3757 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/57W-C

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

MUTATION DATA

TYPE OF TEST :: Unscheduled DNA synthesis

TEST SYSTEM :: Rodent - rat Liver

DOSE/DURATION :: 10 umol/L

REFERENCE :: CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 46,1654,1986

Hazard Codes	Xn
RTECS	DG8959500
HS Code	2927000090

3-(5-amino-4-cy...

CAS#:931424-06-5

N,N-Dimethylaniline

CAS#:121-69-7

~6%

m-methyl red

CAS#:20691-84-3

N,N-Dimethyl-4-...

CAS#:138-89-6

Detail

Literature: Journal of Heterocyclic Chemistry, , vol. 44, # 1 p. 13 - 19

N,N-DIMETHYL-4-...

CAS#:100-23-2

3-Nitrobenzoic acid

CAS#:121-92-6

m-methyl red

CAS#:20691-84-3

Literature: Chemische Berichte, , vol. 31, p. 2201 Zeitschrift fuer Elektrochemie und Angewandte Physikalische Chemie, , vol. 5, p. 460

Precursor 4
CAS#:931424-06-5 3-(5-amino-4-cy... CAS#:121-69-7 N,N-Dimethylaniline CAS#:100-23-2 N,N-DIMETHYL-4-... CAS#:121-92-6 3-Nitrobenzoic acid
DownStream 0

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%

3-{(E)-[4-(Dimethylamino)phenyl]diazenyl}benzoic acid

3'-Carboxy-4-dimethylaminoazobenzene

Benzoic acid, 3-[(E)-2-[4-(dimethylamino)phenyl]diazenyl]-

m-Methyl Red

4-Dimethylaminoazobenzene-3'-carboxylic Acid

N,N-Dimethyl-4-aminoazobenzene-3'-carboxylic acid

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.

Shanghai Nianxing Industrial Co., Ltd
China
Product Name: m-methyl red
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: m-methyl red
Price: ￥98.0/5g ￥338.0/25g
Purity: 98.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Get all suppliers and price by the below link:

m-methyl red suppliers

m-methyl red price

m-methyl red

Use of m-methyl red

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

Safety Information

Synthetic Route

Precursor & DownStream

Preparation

Customs

Synonyms

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.