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Methyl red hydrochloride

CAS No.
63451-28-5
Chemical Name:
Methyl red hydrochloride
Synonyms
METHYL RED HCL XTL;ACID RED 2 HYDROCHLORIDE;Methyl red hydrochloride;methyl red hydrochloride, acs;METHYLREDHYDROCHLORIDE,REAGENT,ACS;Methyl Red, Hydrochloride, Reagent;METHYL RED HYDROCHLORIDE CRYSTALLINE;METHYL RED HYDROCHLORIDE, A.C.S. REAGENT;4-DIMETHYLAMINOAZOBENZENE-2'-CARBOXYLIC ACID;Methyl Red hydrochloride,pure,conform to ACS
CBNumber:
CB1297551
Molecular Formula:
C15H16ClN3O2
Molecular Weight:
305.76
MDL Number:
MFCD00012614
MOL File:
63451-28-5.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:49:10

Methyl red hydrochloride Properties

Melting point 175 °C (dec.)(lit.)
storage temp. Store at RT.
solubility ethanol: 0.1%
form Powder
Colour Index 13020
color Blue to black
λmax 493 nm
Major Application diagnostic assay manufacturing
hematology
histology
InChI 1S/C15H15N3O2.ClH/c1-18(2)12-9-7-11(8-10-12)16-17-14-6-4-3-5-13(14)15(19)20;/h3-10H,1-2H3,(H,19,20);1H/b17-16+;
InChIKey ICTWKXAVJAHRMK-CMBBICFISA-N
SMILES Cl.CN(C)c1ccc(cc1)\N=N\c2ccccc2C(O)=O
CAS DataBase Reference 63451-28-5
FDA UNII RFA0W63690
UNSPSC Code 12171500
NACRES NA.47

SAFETY

Risk and Safety Statements

Symbol(GHS)  Health Hazard (GHS08)
GHS08
Signal word  Warning
Hazard statements  H351
Precautionary statements  P201-P202-P280-P308+P313-P405-P501a
PPE Eyeshields, Gloves, type N95 (US)
Safety Statements  24/25
WGK Germany  3
HS Code  29270000
Storage Class 11 - Combustible Solids
NFPA 704
1
0 0

Methyl red hydrochloride price More Price(37)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 861235 Methyl Red hydrochloride ACS reagent 63451-28-5 25g $41 2026-04-30 Buy
Usbiological 283023 Methyl red hydrochloride 63451-28-5 50g $330 2026-06-03 Buy
Usbiological 283023 Methyl red hydrochloride 63451-28-5 100g $430 2026-06-03 Buy
Usbiological 283023 Methyl red hydrochloride 63451-28-5 250g $591 2026-06-03 Buy
Usbiological 283023 Methyl red hydrochloride 63451-28-5 500g $758 2026-06-03 Buy
Product number Packaging Price Buy
861235 25g $41 Buy
283023 50g $330 Buy
283023 100g $430 Buy
283023 250g $591 Buy
283023 500g $758 Buy

Methyl red hydrochloride Chemical Properties, Uses, Production

Chemical Properties

blue to black powder

Uses

Methyl red is widely used in food science and applied & pure biology. It is added in media while preparing agar plates for microbiology. It is used as a vital stain for protozoa. Methyl red is also utilized as a tracer for assessing penetration of foods into packaging and as a component of an indicator to examine pork quality. It has been used to study the ability of earthworms to modify their environmental pH.

Methyl red hydrochloride Preparation Products And Raw materials

Raw materials

Preparation Products

Methyl red hydrochloride Suppliers

Global Suppliers ( 63)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
3B Pharmachem (Wuhan) International Co.,Ltd. 18930552037 3bsc@sina.com China 15813 69
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Spectrum Chemical Manufacturing Corp. 021-021-021-67601398-809-809-809 15221380277 marketing_china@spectrumchemical.com China 9643 60
Thermo Fisher Scientific 800-810-5118 cnchemical@thermofisher.com China 17752 75
Shanghai Macklin Biochemical Co.,Ltd. 15221275939 15221275939 shenlinxing@macklin.cn China 15775 55
VWR(Shanghai) Co., Ltd 400-821-8006 info_china@vwr.com China 3036 75
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
Shandong Xiya Chemical Co., Ltd. 4009903999 13395398332 sales@xiyashiji.com China 20788 60
4-DIMETHYLAMINOAZOBENZENE-2'-CARBOXYLIC ACID 4-DIMETHYLAMINOAZOBENZENE-2'-CARBOXYLIC ACID HYDROCHLORIDE ACID RED 2 HYDROCHLORIDE 2-[4-(DIMETHYLAMINO)PHENYLAZO]BENZOIC ACID HYDROCHLORIDE O-[[P-(DIMETHYLAMINO)PHENYL]AZO] BENZOIC ACID HYDROCHLORIDE 2-[[4-(dimethylamino)phenyl]azo]-benzoicacimonohydrochloride 2-[[4-(dimethylamino)phenyl]azo]benzoic acid monohydrochloride METHYL RED HYDROCHLORIDE, A.C.S. REAGENT METHYL RED HYDROCHLORIDE CRYSTALLINE Benzoic acid, 2-4-(dimethylamino)phenylazo-, monohydrochloride methyl red hydrochloride, acs METHYLREDHYDROCHLORIDE,REAGENT,ACS 4-Dimethylaminoazobenzene-2μ-carboxylic acid sodium salt, Acid Red2 Methyl Red, Hydrochloride, Reagent METHYL RED HYDROCHLORIDE, CONFORM TO ACS, PURE Methyl Red hydrochloride,pure,conform to ACS METHYL RED HCL XTL Benzoic acid,2-[2-[4-(dimethylamino)phenyl]diazenyl]-,hydrochloride(1:1) Methyl red hydrochloride 63451-28-5 HOOCC6H4NNC6H4NCH32 CH32NC6H4NNC6H4CO2HHCl C15H15N3O2HCl C15H15N3O2ClH