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ChemicalBook >> CAS DataBase List >>O-TOLYLHYDRAZINE HYDROCHLORIDE

O-TOLYLHYDRAZINE HYDROCHLORIDE

CAS No.
635-26-7
Chemical Name:
O-TOLYLHYDRAZINE HYDROCHLORIDE
Synonyms
NSC2221;O-TOLYLHYDRAZINE HYD;O-TOLYLHYDRAZINE HCL;2-TOLYLHYDRAZINE HCL;O-METHYLPHENYLHYDRAZINE HCL;2-METHYLPHENYLHYDRAZINE HCL;o-Tolyhdrazine hydrochloride;O-TOLYLHYDRAZINE HYDROCHLORIDE;2-TOLYLHYDRAZINE HYDROCHLORIDE;o-tolylhydrazinium(1+) chloride
CBNumber:
CB2185693
Molecular Formula:
C7H11ClN2
Molecular Weight:
158.63
MDL Number:
MFCD00012925
MOL File:
635-26-7.mol
MSDS File:
SDS
Last updated:2025-07-24 18:13:49

O-TOLYLHYDRAZINE HYDROCHLORIDE Properties

Melting point 190 °C (dec.)(lit.)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility alcohol: soluble
form Crystalline Powder
color Beige
Sensitive Hygroscopic
Merck 14,9542
BRN 3655929
CAS DataBase Reference 635-26-7(CAS DataBase Reference)
FDA UNII TGN955BY8W
UNSPSC Code 12352100

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
GHS06,GHS08,GHS09
Signal word  Danger
Hazard statements  H301+H311+H331-H317-H350-H410
Precautionary statements  P201-P273-P280-P301+P310-P302+P352+P312-P304+P340+P311
Hazard Codes  Xn,Xi
Risk Statements  20/21/22-36/37/38
Safety Statements  26-36/37/39
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
Hazard Note  Harmful/Irritant
HazardClass  6.1
PackingGroup  III
HS Code  29280090
NFPA 704
1
2 0

O-TOLYLHYDRAZINE HYDROCHLORIDE price More Price(28)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 281905 o-Tolylhydrazine hydrochloride 97% 635-26-7 5g $39.6 2023-06-20 Buy
Sigma-Aldrich 281905 o-Tolylhydrazine hydrochloride 97% 635-26-7 25g $55.8 2023-06-20 Buy
TCI Chemical T0318 o-Tolylhydrazine Hydrochloride >98.0%(T) 635-26-7 5g $40 2025-07-31 Buy
TCI Chemical T0318 o-Tolylhydrazine Hydrochloride >98.0%(T) 635-26-7 25g $116 2025-07-31 Buy
TRC T536740 o-Tolylhydrazine Hydrochloride 635-26-7 5g $50 2021-12-16 Buy
Product number Packaging Price Buy
281905 5g $39.6 Buy
281905 25g $55.8 Buy
T0318 5g $40 Buy
T0318 25g $116 Buy
T536740 5g $50 Buy

O-TOLYLHYDRAZINE HYDROCHLORIDE Chemical Properties,Uses,Production

Chemical Properties

beige crystalline powder

Uses

o-Tolylhydrazine hydrochloride has been used in the preparation of o-tolylhydrazone of D-galactose.

Uses

o-Tolylhydrazine Hydrochloride is a reagent used in the organic syntheses such as opioid receptor antagonists as well as adenosine receptor antagonists as well as adenosine receptor antagonists.

Synthesis

o-tolylhydrazine

529-27-1

O-TOLYLHYDRAZINE HYDROCHLORIDE

635-26-7

General procedure for the synthesis of o-tolylhydrazine hydrochloride from o-tolylhydrazine: purified o-tolylhydrazine (100 g) was dissolved in 69 mL of 37% hydrochloric acid, and the reaction solution was stirred at 65°C until crystallization. The reaction mixture was then cooled to 20°C and the solid product was collected by filtration. The filter cake was washed with acetone and dried to give 110 g of o-tolylhydrazine hydrochloride product with 99.2% purity and 39.5% yield.

References

[1] Patent: CN107814750, 2018, A. Location in patent: Paragraph 0026; 0027; 0035; 0036; 0046

Global( 239)Suppliers
Supplier Tel Email Country ProdList Advantage
Hebei Chuanghai Biotechnology Co., Ltd 		+8617732866630 abby@chuanghaibio.com China 8773 58
Hebei Mujin Biotechnology Co.,Ltd 		+86-13288715578 sales@hbmojin.com China 12648 58
Capot Chemical Co.,Ltd. 		+8613336195806 sales@capot.com China 29731 60
Nanjing Dolon Biotechnology Co.,Ltd. 		18905173768 sales@dolonchem.com CHINA 2972 58
Alchem Pharmtech,Inc. 		8485655694 sales@alchempharmtech.com United States 63687 58
CONIER CHEM AND PHARMA LIMITED 		+8618523575427 sales@conier.com China 49733 58
career henan chemical co 		+86-0371-86658258 +8613203830695 factory@coreychem.com China 29804 58
Fuxin Pharmaceutical 		+86-021-021-50872116 +8613122107989 contact@fuxinpharm.com China 10035 58
SIMAGCHEM CORP 		+86-5922680277 +86-13806087780 sale@simagchem.com China 17346 58
Hefei TNJ Chemical Industry Co.,Ltd. 		+86-0551-65418671 +8618949823763 sales@tnjchem.com China 34563 58

View Lastest Price from O-TOLYLHYDRAZINE HYDROCHLORIDE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
O-TOLYLHYDRAZINE HYDROCHLORIDE pictures 2025-07-07 O-TOLYLHYDRAZINE HYDROCHLORIDE
635-26-7
 US $0.00 / KG 1KG 99% 50000KG/month Hebei Mujin Biotechnology Co.,Ltd
O-TOLYLHYDRAZINE HYDROCHLORIDE pictures 2025-06-24 O-TOLYLHYDRAZINE HYDROCHLORIDE
635-26-7
 US $0.00-0.00 / KG 1KG 99% 20 mt Hebei Chuanghai Biotechnology Co., Ltd
O-TOLYLHYDRAZINE HYDROCHLORIDE pictures 2019-12-27 O-TOLYLHYDRAZINE HYDROCHLORIDE
635-26-7
 US $1.00 / KG 1KG 99% 200kg Career Henan Chemical Co
o-Tolylhydrazine hydrochloride, 97+% 2-Methylphenylhydrazine hydrochloride 97% O-TOLYLHYDRAZINE HYD 1-o-tolylhydrazine hydrochloride o-Tolylhydrazine hydrochloride, 98% 10GR o-Tolylhydrazine hydrochloride,98% o-Tolyhdrazine hydrochloride NSC2221 Hydrazine, (2-methylphenyl)-, monohydrochloride Hydrazine, o-tolyl-, monohydrochloride O-METHYLPHENYLHYDRAZINE HCL O-TOLYLHYDRAZINE HCL O-TOLYLHYDRAZINE HYDROCHLORIDE 2-METHYLPHENYLHYDRAZINE HCL 2-METHYLPHENYLHYDRAZINE HYDROCHLORIDE 2-TOLYLHYDRAZINE HCL 2-TOLYLHYDRAZINE HYDROCHLORIDE 1-(2-METHYLPHENYL)HYDRAZINE HYDROCHLORIDE o-tolylhydrazinium(1+) chloride o-Tolylhydrazine Hydrochloride > O-TOLYLHYDRAZINE HYDROCHLORIDE ISO 9001：2015 REACH o-Tolylhydrazine hydrochloride 635-26-7 C7H10N2ClH C7H11N2Cl Organic Building Blocks Hydrazines Nitrogen Compounds Building Blocks amine Building Blocks Chemical Synthesis Hydrazines Nitrogen Compounds Organic Building Blocks Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes