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5-Hydroxy-1-Methylpyrazole

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Formula: C4H6N2O
CAS: 33641-15-5

Identification

Structural Formula
5-Hydroxy-1-Methylpyrazole
CAS:
33641-15-5
EINECS:
Molecular Formula:
C4H6N2O
MDL:
MFCD05864418
SMILES:
OC1=CC=N[N]1C
Synonym:
2-methyl-2h-pyrazol-3-ol ; 1-methyl-1h-pyrazol-3(2h)-one ; 1-methyl-1h-pyrazol-5-ol ; 5-hydroxy-1-methyl-1h-pyrazole, 95% ; 1-methyl-5-hydroxy-1h-pyrazole ; 1-methyl-5-hydroxypyrazole ; 5-hydroxy-1-methyl-5-pyrazole ; ref dupl: 5-hydroxy-1-methyl-1h-pyrazole ; 1-methylpyrazol-5-ol




Suppliers

Chemlyte Solutions
CS9362808
Wanko Chemical Co., Ltd.
WC12483744
Finetech Industry Limited
FIL13005200
Hefei Hirisun Pharmatech Co., Ltd
HR010211
AK Scientific, Inc.
AS9882964
DSL Chemicals (Shanghai) Co., Ltd.
C042798
Leap Chem Co., Ltd
LC9362808
Santa Cruz Biotechnology, Inc.
SCB15606240
Dayang Chem (Hangzhou) Co.,Ltd.
DC16126448
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CAS equal suppliers

1-Methyl-1H-pyrazol-5-ol
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Ambeed, Inc.
A151228
1-Methyl-1H-pyrazol-5-ol
BLD Pharmatech Ltd
BP12963888
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Angene International Limited
AGN-PC-0O91VO
5-Hydroxy-1-methyl-1H-pyrazole
Santa Cruz Biotechnology, Inc.
226977
5-Hydroxy-1-methyl-1H-pyrazole
Manchester Organics Limited
C23777

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Data is processed


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Properties for 5-Hydroxy-1-Methylpyrazole

Molecular Weight:
98.10324 g·mol−1
Melting point:
110-114 °C
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Hazard Statements

GHS05

GHS05
Corrosive
  • Corrosive to metals, category 1
GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
  • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:
R22 - Harmful if swallowed
R37/38 - Irritating to respiratory system and skin
R41 - Risk of serious damage to eyes
Safety Codes:
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S39 - Wear eye/face protection
Hazard Classes:
irritant
Hazard Symbols:
Xn
Hazard symbol Xn
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Alternative Distributors of [5-Hydroxy-1-Methylpyrazole]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Bona Chemical Co., Limited | Suzhou Rovathin Pharmatech Co., Ltd | Bepharm Ltd. | Fuxin Huifeng Chemical Co., Ltd. | Shanghai Hanhong Chemical Co., Ltd. | Suzhou Devi Pharma Technology Co., Ltd. | Zhejiang Kaili Industrial Co., Ltd. | All Right Chemical Co., Ltd. | Beijing Yangguang Furuide Chemical Co., Ltd. | Jinan Haohua Industry Co., Ltd. | Gihi Chemicals Co., Limited

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