| 货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | |
| R796073 | MACKLIN | (R,R)-(-)-2,3-丁二醇 | 10mM in DMSO | 488元/1ml; | 咨询 |
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| R838151 | MACKLIN | (R,R)-(-)-2,3-丁二醇 | 97 % | 45元/250mg; 58元/1g; 261元/5g; 1132元/25g; 3475元/100g; | 咨询 |
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| B1161 | TCI | (R,R)-(-)-2,3-Butanediol | >97.0%(GC) | 560元/1G; 1990元/5G; | 咨询 |
基本信息 | 纯度/分析方法 | >97.0%(GC) | | 分子式/分子量 | C4H10O2 = 90.12 | | 外观与形状(20℃) | 液体 | | 储存在惰性气体下 | 存放于惰性气体之中 | | 应避免的情况 | 湿气 (吸湿) | | Reaxys-RN | 4290593 | | PubChem物质ID | 87564101 | | SDBS (AIST Spectral DB) | 15153 | | MDL编号 | MFCD00064267 |
技术规格 | Appearance | White or Colorless to Light yellow powder to lump to clear liquid | | Purity(GC) | min. 97.0 % | | Optical purity(GC) | min. 98.0 ee% |
物性(参考值) | 熔点 | 17 ℃ | | 沸点 | 80 ℃/10 mmHg | | 闪点 | 85 ℃ | | 比重 | 0.99 | | 比旋光度 [α]D | -13° (neat) | | 折射率 | 1.43 |
安全信息 | 信号词 | 警告 | | 危险性说明 | H227 : 可燃液体。
| | 防范说明 | P501 : 将内装物/容器送到批准的废物处理厂处理。
P210 : 远离热源/火花/明火/热表面。禁止吸烟。
P280 : 戴防护手套/戴防护眼罩/戴防护面具。
P370 + P378 : 火灾时：使用干砂、干粉或抗醇泡沫灭火。
P403 + P235 : 存放在通风良好的地方。保持低温。
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| L06586 | Alfa Aesar | (2R,3R)-(-)-2,3-Butanediol | 98% | 1303元/1g; 5440元/5g; | 咨询 |
应用
(2R,3R)-(-)-2,3-Butanediol is used as a chiral auxiliary, chiral ligand and building block. Cyclocondenses with ketones for (13)C NMR determination of optical purity. It is used in the resolution of carbonyl compounds in gas chromatography. 备注
Hygroscopic. Store away from oxidizing agents. Incompatible with oxidizing agents, Acid chlorides, Acid anhydrides, Chloroformates, Reducing agents. Air sensitive. 基本信息 MDL
MFCD00064267 EINECS
246-186-9 分子式
C4H10O2 分子量
90.12 熔点
16° 沸点
179-180° 闪点
85°(185°F) 密度
0.988 折射率
1.4315 灵敏度
Hygroscopic. Ambient temperatures. 形态
Liquid 溶解性
Fully miscible in water. Beilstein
4290593 Merck
14,1568 GHS危害和防范说明 Hazard Statements
H227
Combustible liquid. Precautionary Statements
P210e-P280a-P370+P378a-P403+P235-P501a
Wear protective gloves and eye/face protection.In case of fire: Use for extinction: CO2, powder or water spray.Store in a well-ventilated place. Keep cool.Dispose of contents/container in accordance with local/regional/national/international regulations. 安全信息 TSCA
否 |
| C21798 | Alfa Aesar | (2R,3R)-(-)-2,3-Butanediol | 98+%, 99+% ee | 1440元/1g; 4804元/5g; | 咨询 |
基本信息 Ref#
21798 MDL
64267 分子式
C4 H10 O2 分子量
90.12 闪点
85 密度
0.98 |
| 237639 | Sigma-Aldrich | (2R,3R)-(-)-2,3-Butanediol | 97% | 603.18元/1 G; 1080.9元/5 G; | 咨询 |
产品说明 一般描述 (2R,3R)-(-)-2,3-丁二醇是制药工业的关键结构单元。 应用 C2 对称手性二醇，具有多种用途如手性辅助剂、结构单元、和手性配体。与酮发生环缩合反应以用于 13C NMR 光学纯度测定。 包装 1, 5 g in glass bottle 其他说明 斯克里普斯代谢组学和质谱技术中心独立生成的串联质谱数据可在PDF ( 237639.pdf ) 中查看或下载。斯克里普斯代谢物组学和质谱技术中心的METLIN代谢物数据库中有测试代谢物。要了解更多信息，请访问sigma.com/metlin。 基本信息 | 线性分子式 | CH3CH(OH)CH(OH)CH3 | | 分子量 | 90.12 | | Beilstein | 1718901 | | EC 号 | 246-186-9 | | MDL编号 | MFCD00064267 | | PubChem化学物质编号 | 24854259 | | NACRES | NA.22 |
产品性质 | 质量水平 | 200 | | 测定 | 97% | | 形式 | liquid | | 旋光性 | [α]23/D −13.2°, neat | | 光学纯度 | ee: 99% (GLC) | | 折射率 | n20/D 1.433 (lit.) | | bp | 77.3-77.4 ℃/10 mmHg (lit.) | | 密度 | 0.987 g/mL at 25 ℃ (lit.) | | SMILES string | C[C@@H](O)[C@@H](C)O | | InChI | 1S/C4H10O2/c1-3(5)4(2)6/h3-6H,1-2H3/t3-,4-/m1/s1 | | InChI key | OWBTYPJTUOEWEK-QWWZWVQMSA-N |
安全信息 | 储存分类代码 | 10 - Combustible liquids | | WGK | WGK 3 | | 闪点(F) | 185.0 °F - closed cup | | 闪点(C) | 85 ℃ - closed cup | | 个人防护装备 | Eyeshields, Gloves, multi-purpose combination respirator cartridge (US) |
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| 995527 | Amethyst | (2R,3R)-(-)-2,3-Butanediol | 96%, 用于合成 | 209元/1G; 788元/5G; | 咨询 |
基本信息 | 分子式 | C4H10O2 | | 分子量 | 90.12 | | 熔点 | 16 | | 沸点 | 77.3-77.4 | | 闪点 | 85 | | 密度 | 0.987 | | 折光率(n20D) | 1.4330 | | MDL编码 | MFCD00064267 | | Beilstein | 1718901 | | Merck | 14,1568 | | EINECS 编号 | 246-186-9 |
安全信息 |
| 044769 | Fluorochem | (2R,3R)-(-)-2,3-Butanediol | 95% | 682元/1g; 1936元/5g; 3102元/10g; | 咨询 |
基本信息 | CAS Number | 24347-58-8 | | MDL Number | MFCD00064267 | | Boiling Point | 77.3 - 77.4 ℃ | | Density | 0.987 |
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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