| 货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | |
| B802403 | MACKLIN | 1,4-双(三甲基硅烷基)-1,3-丁二炔 | 95% | 55元/1g; 256元/5g; 1266元/25g; 4920元/100g; | 咨询 |
储存：2~8°C 状态：白色到灰白色到浅黄色到浅灰色粉末或晶体 折射率：n20/D 1.384(lit.) |
| B1298 | TCI | 1,4-Bis(trimethylsilyl)-1,3-butadiyne | >99.0%(GC) | 410元/1G; 1435元/5G; | 咨询 |
基本信息 | 纯度/分析方法 | >99.0%(GC) | | 分子式/分子量 | C10H18Si2 = 194.42 | | 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,湿气 (分解) | | Reaxys-RN | 1758268 | | PubChem物质ID | 87564232 | | SDBS (AIST Spectral DB) | 21796 | | MDL编号 | MFCD00009839 |
技术规格 | Appearance | White to Light yellow to Light orange powder to crystal | | Purity(GC) | min. 99.0 % | | Melting point | 110.0 to 113.0 ℃ |
物性(参考值) 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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| L09246 | Alfa Aesar | 1,4-Bis(trimethylsilyl)-1,3-butadiyne | 98% | 589元/1g; 1923元/5g; | 咨询 |
应用
1,4-Bis(trimethylsilyl)-1,3-butadiyne is used in Negishi protocol for the synthesis of glycosylated oligo(ethynylene)s. It is also used as pharmaceutical intermediates. 备注
Store at 4?°C. Incompatible materials are Strong oxidizing agents. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. 基本信息 MDL
MFCD00009839 分子式
C10H18Si2 分子量
194.43 熔点
110-113° 密度
0.752 灵敏度
Ambient temperatures. 形态
Powder 溶解性
Insoluble in water. Beilstein
1758268 GHS危害和防范说明 GHS符号
 Hazard Statements
H228
Flammable solid. Precautionary Statements
P210-P280-P240-P241-P370+P378a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.Wear protective gloves/protective clothing/eye protection/face protection.Ground/bond container and receiving equipment.Use explosion-proof electrical/ventilating/lighting/ equipment.In case of fire: Use for extinction: CO2, powder or water spray. 安全信息 危险等级
4.1 包装组
II 危险类别
11
Highly flammable. 安全等级
33
Take precautionary measures against static discharges. 欧盟危险品标志
 TSCA
否 |
| 263567 | Sigma-Aldrich | 1,4-Bis(trimethylsilyl)butadiyne | 98%, stable crystalline form of butadiyne | 1567.67元/5 G; 4936.44元/25 G; | 咨询 |
产品说明 应用 1,4-Bis(trimethylsilyl)butadiyne can be used as a reagent to prepare: - 1,1,3,4-Tetrasilyl-substituted 1,3-butadienes or 1,1,3,4-tetrasilyl-substituted 1,2-butadienes by hydrosilylation reaction using various hydridosilanes and catalysts.
- Glycosylated oligo(ethynylene)s using the Negishi reaction.
- (±) Falcarinol, a polyacetylene class of fatty alcohol.
包装 5, 25 g in glass bottle 基本信息 | 线性分子式 | (CH3)3SiC≡CC≡CSi(CH3)3 | | 分子量 | 194.42 | | Beilstein | 1758268 | | MDL编号 | MFCD00009839 | | PubChem化学物质编号 | 24855983 |
产品性质 | 测定 | 98% | | 折射率 | n20/D 1.384 (lit.) | | mp | 111-113 ℃ (lit.) | | 密度 | 0.974 g/mL at 20 ℃ (lit.) | | 储存温度 | 2-8℃ | | SMILES string | C[Si](C)(C)C#CC#C[Si](C)(C)C | | InChI | 1S/C10H18Si2/c1-11(2,3)9-7-8-10-12(4,5)6/h1-6H3 | | InChI key | LBNVCJHJRYJVPK-UHFFFAOYSA-N |
安全信息 | 象形图 | | | 警示用语： | Danger | | 危险声明 | H228 | | 预防措施声明 | P210 | | 危险分类 | Flam. Sol. 1 | | 储存分类代码 | 4.1B - Flammable solid hazardous materials | | WGK | WGK 3 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | Eyeshields, Gloves, type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
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| S02525 | Fluorochem | 1,4-Bis(trimethylsilyl)1,3-butadiyne | 95% | 4290元/10g; | 咨询 |
基本信息 | CAS Number | 4526-07-2 | | MDL Number | MFCD00009839 | | Melting Point | 107℃ |
安全信息 | 图形或危害标志 | | | 危险性说明 | H228: Flammable solid.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
| | 防范说明 | P210: Keep away from – No smoking.
P233: Keep container tightly closed.
P240: Ground/bond container and receiving equipment.
P241: Use explosion-proof ./ equipment.
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: .
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 . 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.
P370 + P378: In case of fire: Use sand, CO2 or extinguishing powder for extinction.
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 local regulations.
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