| 货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | 详情 |
| H841608 | MACKLIN | 1,2-二氢-3H-吡唑-3-酮 | 98% | 29元/250mg; 30元/1g; 89元/5g; 363元/25g; 1224元/100g; | 展开 |
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| D5840 | TCI | 1,2-Dihydro-3H-pyrazol-3-one | >98.0%(GC)(T) | 490元/1G; 1490元/5G; | 展开 |
基本信息 | 纯度/分析方法 | >98.0%(GC)(T) | | 分子式/分子量 | C3H4N2O = 84.08 | | 外观与形状(20℃) | 固体 | | 储存在惰性气体下 | 存放于惰性气体之中 | | 应避免的情况 | 空气 | | 包装和容器 | 1G-带有塑料内管的玻璃瓶 (查看图片) | | Reaxys-RN | 106267 | | MDL编号 | MFCD00629300 |
技术规格 | Appearance | White to Yellow to Orange powder to crystal | | Purity(GC) | min. 98.0 % | | Purity(Nonaqueous Titration) | min. 98.0 % | | Melting point | 161.0 to 165.0 ℃ |
物性(参考值) | 熔点 | 163 ℃ | | 最大吸收波长 | 243(EtOH) nm |
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。
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| Y16057 | Alfa Aesar | 1H-Pyrazol-3(2H)-one | | 256元/1g; 676元/5g; 1315元/10g; 2523元/25g; 6922元/100g; | 展开 |
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| 316704 | Fluorochem | 2H-Pyrazol-3-ol | 95% | 726元/1g; 2156元/5g; 3916元/10g; | 展开 |
基本信息 | CAS Number | 137-45-1 | | MDL Number | MFCD11227225 | | Melting Point | 169-170℃ |
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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