ChemicalBook > CAS DataBase List > 5-Hydroxy-1-methylpyrazole

5-Hydroxy-1-methylpyrazole

Product Name
5-Hydroxy-1-methylpyrazole
CAS No.
33641-15-5
Chemical Name
5-Hydroxy-1-methylpyrazole
Synonyms
1-methyl-1H-pyrazol-5-ol;1-Methyl-1H-pyrazol-3(2H)-one;Topramezon-001;1-Methylpyrazol-5-ol;2-methylpyrazol-3-ol;-Methyl-1H-pyrazol-5-ol;2-Methyl-2H-pyrazol-3-ol;1-methyl-5-hydroxypyrazol;1-Methyl-5-hydroxypyrazole;1H-Pyrazol-5-ol, 1-methyl-
CBNumber
CB2971487
Molecular Formula
C4H6N2O
Formula Weight
98.1
MOL File
33641-15-5.mol
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5-Hydroxy-1-methylpyrazole Property

Melting point:
110-114 °C
Boiling point:
217.7±13.0 °C(Predicted)
Density 
1.22±0.1 g/cm3(Predicted)
storage temp. 
Inert atmosphere,Room Temperature
solubility 
soluble in DMSO, Methanol
form 
powder to crystal
pka
9.07±0.23(Predicted)
color 
White to Orange to Green
InChI
InChI=1S/C4H6N2O/c1-6-4(7)2-3-5-6/h2-3,7H,1H3
InChIKey
CMXOTACIOGGSNH-UHFFFAOYSA-N
SMILES
N1(C)C(O)=CC=N1
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Safety

Hazard Codes 
Xn
Risk Statements 
22-37/38-41
Safety Statements 
26-39
WGK Germany 
3
HazardClass 
IRRITANT
HS Code 
2933199090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H318Causes serious eye damage

H335May cause respiratory irritation

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
747831
Product name
5-Hydroxy-1-methyl-1H-pyrazole
Purity
97%
Packaging
1g
Price
$104
Updated
2023/06/20
TCI Chemical
Product number
H1695
Product name
5-Hydroxy-1-methyl-1H-pyrazole
Packaging
1G
Price
$72
Updated
2024/03/01
TCI Chemical
Product number
H1695
Product name
5-Hydroxy-1-methyl-1H-pyrazole
Packaging
5G
Price
$241
Updated
2024/03/01
TRC
Product number
H948380
Product name
5-Hydroxy-1-methylpyrazole
Packaging
5g
Price
$300
Updated
2021/12/16
SynQuest Laboratories
Product number
4H01-1-1R
Product name
1-Methyl-1H-pyrazol-5-ol
Purity
97%
Packaging
10g
Price
$184
Updated
2021/12/16
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5-Hydroxy-1-methylpyrazole Chemical Properties,Usage,Production

Uses

5-Hydroxy-1-methylpyrazole is a pyrazole derivative used as an intermediate in the preparation of herbicides.

5-Hydroxy-1-methylpyrazole Preparation Products And Raw materials

Raw materials

Preparation Products

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5-Hydroxy-1-methylpyrazole Suppliers

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View Lastest Price from 5-Hydroxy-1-methylpyrazole manufacturers

Wuhan Circle Star Chem-medical Technology Co.,Ltd
Product
5-Hydroxy-1-methylpyrazole 33641-15-5
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98
Supply Ability
1000
Release date
2025-01-20
Hubei Lidu New Material Technology Co., Ltd
Product
5-Hydroxy-1-methylpyrazole 33641-15-5
Price
US $0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
20TON
Release date
2024-12-11
Hebei Chuanghai Biotechnology Co,.LTD
Product
5-Hydroxy-1-Methylpyrazole 33641-15-5
Price
US $5.00-2.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10000kg
Release date
2024-08-14

33641-15-5, 5-Hydroxy-1-methylpyrazoleRelated Search:

ACID YELLOW 40 ACID RED 183 ACID ORANGE 74 ACID ORANGE 63 CIBACRON BRILLIANT YELLOW 3G-P ACID YELLOW 11 Epirizole Mordant Red 7 ACID YELLOW 29 ACID YELLOW 54 Pigment Orange 34 Mordant Red 19 ACID YELLOW 34 (C.I. 18890) ACID YELLOW 25 TIMTEC-BB SBB001459 LABOTEST-BB LT00161247 POLAR BRILLIANT RED BN BUTTPARK 9\07-32

  • 5-HYDROXY-1-METHYL-1H-PYRAZOLE, 95%
  • 1-methyl-5-hydroxypyrazol
  • 1-methyl-1H-pyrazol-5-ol
  • REF DUPL: 5-Hydroxy-1-methyl-1H-pyrazole
  • 1-Methyl-5-hydroxy-1H-pyrazole
  • 1-Methyl-5-hydroxypyrazole
  • 1-Methylpyrazol-5-ol
  • 5-Hydroxy-1-Methyl-5-pyrazole
  • 1-Methyl-1H-pyrazol-3(2H)-one
  • 2-Methyl-2H-pyrazol-3-ol
  • 2-methylpyrazol-3-ol
  • -Methyl-1H-pyrazol-5-ol
  • Topramezon-001
  • 1H-Pyrazol-5-ol, 1-methyl-
  • 5-Hydroxy-1-methylpyrazole，97%
  • 5-HYDROXY-1-METHYLPYRAZOLE
  • 5-Hydroxy-1-methyl-1<i>H</i>-pyrazole
  • 33641-15-5
  • Heterocyclic Compounds
  • Aromatics
  • Heterocycles
  • Intermediates