CAS 37622-90-5; 4-吡唑甲酸乙酯; ethyl 4-pyrazolecarboxylate

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货号

品牌

产品名称

规格

包装、参考价格

E827919

MACKLIN

Ethyl 1H-pyrazole-4-carboxylate

≥95%

28元/1g; 30元/5g; 120元/25g; 465元/100g; 2295元/500g;

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储存：室温
状态：白色晶体

E0871

TCI

Ethyl Pyrazole-4-carboxylate

>98.0%(GC)

80元/1G; 250元/5G;

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基本信息

纯度/分析方法	>98.0%(GC)
分子式/分子量	C₆H₈N₂O₂ = 140.14
外观与形状(20℃)	固体
Reaxys-RN	115762
PubChem物质ID	125308066
MDL编号	MFCD00010844

技术规格

Appearance	White to Almost white powder to crystal
Purity(GC)	min. 98.0 %
Melting point	76.0 to 80.0 ℃

物性(参考值)

熔点	78 ℃
沸点	140 ℃/3 mmHg
溶解性(可溶于)	甲醇

安全信息

图形或危害标志
信号词	警告
危险性说明	H315 : 造成皮肤刺激。 H319 : 造成严重眼刺激。
防范说明	P264 : 作业后彻底清洗皮肤。 P280 : 戴防护手套/戴防护眼罩/戴防护面具。 P302 + P352 : 如皮肤沾染：用水充分清洗。 P337 + P313 : 如仍觉眼刺激：求医/就诊。 P305 + P351 + P338 : 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。 P362+P364 : 脱掉沾污的衣服，清洗后方可重新使用。 P332 + P313 : 如发生皮肤刺激：求医/就诊。

353008

J&K

Ethyl 4-pyrazolecarboxylate

98%

85元/1G; 275元/5G; 1045元/25G;

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基本信息

分子式	C₆H₈N₂O₂
分子量	140.14
熔点	78-80
沸点	138-140
MDL编码	MFCD00010844

安全信息

图形或危害标志
提示语	Warning
危险说明	H315 H319 H335
防范说明	P261 P305+P351+P338
WGK	3
TSCA	否

B25351

Alfa Aesar

Ethyl 1H-pyrazole-4-carboxylate

98%

645元/1g; 1998元/5g; 9932元/25g;

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应用
Ethyl 1H-pyrazole-4-carboxylate is used in the preparation of isoxazole-4-carboxylic acid derivatives and isoxazole-3,5-dicarboxamides. Further, it acts as an intermediate in organic synthesis.

备注
Incompatible with strong oxidizing agents, strong acids and bases.

基本信息

MDL
MFCD00010844

分子式
C₆H₈N₂O₂

分子量
140.14

熔点
75-80°

沸点
138-140°/3mm

灵敏度
Ambient temperatures.

形态
Crystalline powder

溶解性
Miscible with acetone.

GHS危害和防范说明

GHS符号

Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.

Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
36/37/38
Irritating to eyes, respiratory system and skin.

安全等级
26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

TSCA
否

C39740

Alfa Aesar

Ethyl 4-pyrazolecarboxylate

98%

481元/500mg;

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基本信息

Ref#
39740

MDL
10844

分子式
C6 H8 N2 O2

分子量
140.14

966199

Amethyst

Ethyl 4-pyrazolecarboxylate

98%, 用于合成

40元/1G; 125元/5G; 434元/25G; 799元/100G;

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基本信息

分子式	C₆H₈N₂O₂
分子量	140.14
熔点	78-80
沸点	138-140
MDL编码	MFCD00010844

安全信息

图形或危害标志
提示语	Warning
危险说明	H315 H319 H335
防范说明	P261 P305+P351+P338
WGK	3
TSCA	否

044041

Fluorochem

Ethyl 1H-pyrazole-4-carboxylate

98%

330元/5g; 484元/10g; 968元/25g; 2640元/100g;

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基本信息

CAS Number	37622-90-5
MDL Number	MFCD00010844
Melting Point	72-80℃

安全信息

图形或危害标志
危险性说明	H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation.
防范说明	P233: Keep container tightly closed. P260: Do not breathe . P261: Avoid breathing . P264: Wash hands thoroughly after handling. P271: Use only outdoors or in a well-ventilated area. P280: Wear . P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P312: Call a POISON CENTER or doctor/physician if you feel unwell. P321: Specific treatment (see relevant procedures. on this label). P332 + P313: If skin irritation occurs: Get medical advice/ attention. P337 + P313: If eye irritation persists: Get medical advice/attention. P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P362: Take off contaminated clothing and wash before reuse. P403: Store in a well-ventilated place. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. P405: Store locked up. P501: Dispose of contents/container to in accordance with local regulation .