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CAS: 5157-08-4
分子式: C5H8N2O
分子量: 112.13
熔点: 79-83℃
中文名称: 
4,5-二氢-6-甲基-3-哒嗪酮
英文名称: 
4,5-dihydro-6-methyl-3(2h)-pyridazinon
4,5-dihydro-6-methyl-3(2h)-pyridazinone
4,5-dihydro-6-methyl-3(2h)-pyridazinone hydrate
4,5-Dihydro-6-methyl-3(2H)pyridazinone
性质描述: 无色片状结晶。熔点 104-105℃ 。
生产方法: 以糠醇和水合肼为原料合成。
用途: 磺胺药3-磺胺-6-甲基哒嗪的中间体。
推荐供应商
货号品牌产品名称规格包装、参考价格详情
D834952MACKLIN4,5-二氢-6-甲基-3(2H)-哒嗪酮98%45元/5g;   展开
储存:室温,密封,干燥
状态:白色-几乎白色晶体-粉末
D4216TCI4,5-Dihydro-6-methyl-3(2H)-pyridazinone>98.0%(GC)590元/25G;   展开

基本信息

纯度/分析方法>98.0%(GC)
分子式/分子量C5H8N2O = 112.13
外观与形状(20℃)固体
Reaxys-RN107612
PubChem物质ID160871439
MDL编号MFCD00006455

技术规格

AppearanceWhite to Almost white powder to crystal
Purity(GC)min. 98.0 %
Melting point79.0 to 83.0 ℃

物性(参考值)

熔点81 ℃
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。

相关法规

RTECS#UR6375000
068760Fluorochem6-Methyl-4,5-dihydropyridazin-3(2H)-one97%220元/1g;   374元/5g;   616元/10g;   1166元/25g;   展开

基本信息

CAS Number5157-08-4
MDL NumberMFCD00006455
Melting Point81℃

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 .
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