CAS 2820-37-3; 3,4-二甲基-1h-吡唑; 3,4-dimethyl-1h-pyrazole

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D839389

MACKLIN

3,4-二甲基-1H-吡唑

96%

30元/250mg; 90元/1g; 248元/5g; 1028元/25g; 3330元/100g;

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储存：室温,干燥
状态：白色至类白色的粉末或块状或熔融固体

H37099

Alfa Aesar

3,4-Dimethyl-1H-pyrazole

97%

1920元/5g; 6485元/25g;

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应用
3,4-Dimethyl-1H-pyrazole is used as pharmaceutical intermediate.

备注
Stable under recommended storage conditions. Incompatible with oxidizing agents.

基本信息

MDL
MFCD00462154

EINECS
429-130-1

分子式
C₅H₈N₂

分子量
96.13

熔点
53-55°

灵敏度
Ambient temperatures.

形态
Fused solid

溶解性
Slightly soluble in water.

GHS危害和防范说明

GHS符号

Hazard Statements
H302-H318-H412
Harmful if swallowed.Causes serious eye damage.Harmful to aquatic life with long lasting effects.

Precautionary Statements
P280i-P264-P305+P351+P338-P310a-P301+P312a-P501a
Wear eye/face protection.Wash thoroughly after handling.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
22-41-52/53
Harmful if swallowed.Risk of serious damage to eyes.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

安全等级
26-39-61
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.Avoid release to the environment. Refer to special instructions/safety data sheets.

欧盟危险品标志

TSCA
否

713430

Sigma-Aldrich

3,4-Dimethyl-1H-pyrazole

≥97.0%

1332.86元/500 MG;

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产品说明

包装

500 mg in glass bottle
Bottomless glass bottle. Contents are inside inserted fused cone.

基本信息

经验(实验)分子式	C₅H₈N₂
分子量	96.13
Beilstein	1621
MDL编号	MFCD00462154
PubChem化学物质编号	329763198
NACRES	NA.22

产品性质

质量水平	100
测定	≥97.0%
SMILES string	Cc1c[nH]nc1C
InChI	1S/C5H8N2/c1-4-3-6-7-5(4)2/h3H,1-2H3,(H,6,7)
InChI key	VQTVFIMEENGCJA-UHFFFAOYSA-N

安全信息

象形图
警示用语：	Danger
危险声明	H302 - H318 - H412
预防措施声明	P273 - P280 - P301 + P312 + P330 - P305 + P351 + P338 + P310
危险分类	Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1
储存分类代码	11 - Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable
个人防护装备	dust mask type N95 (US), Eyeshields, Gloves

90009

Supelco

3,4-Dimethyl-1H-pyrazole

analytical standard

1091.23元/50 MG;

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产品说明

一般描述

3,4-Dimethyl-1H-pyrazole is a substituted pyrazole compound, which has a five-membered ring containing two heteroatoms as the active constituent.

应用

3,4-Dimethyl-1H-pyrazole may be used as an analytical standard for the determination of the analyte in environmental samples and Onobrychis spp. pollens by liquid chromatography-tandem mass spectrometry (LC-MS/MS) and gas chromatography-mass spectrometry (GC-MS) techniques.

基本信息

经验(实验)分子式	C₅H₈N₂
分子量	96.13
Beilstein	1621
MDL编号	MFCD00462154
NACRES	NA.24

产品性质

等级	analytical standard
质量水平	100
测定	≥98.0% (HPLC)
保质期	limited shelf life, expiry date on the label
application(s)	environmental
格式	neat
SMILES string	Cc1c[nH]nc1C
InChI	1S/C5H8N2/c1-4-3-6-7-5(4)2/h3H,1-2H3,(H,6,7)
InChI key	VQTVFIMEENGCJA-UHFFFAOYSA-N

安全信息

象形图
警示用语：	Danger
危险声明	H302 - H318 - H412
预防措施声明	P273 - P280 - P301 + P312 + P330 - P305 + P351 + P338 + P310
危险分类	Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1
储存分类代码	11 - Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable

243102

Fluorochem

3,4-Dimethyl-1H-pyrazole

95%

550元/1g; 1760元/5g; 2816元/10g; 5280元/25g;

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基本信息

CAS Number	2820-37-3
MDL Number	MFCD00462154
Boiling Point	111 ℃
Melting Point	55 ℃
Density	1.109

安全信息

图形或危害标志
危险性说明	H302: Harmful if swallowed. H318: Causes serious eye damage. H412: Harmful to aquatic life with long lasting effects.
防范说明	P264: Wash hands thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P273: Avoid release to the environment. P280: Wear . P301 + P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P310: Immediately call a POISON CENTER or doctor/physician. P330: Rinse mouth. P501: Dispose of contents/container to in accordance with local regulation .