6892-68-8

• 常用中文名：二硫赤藓醇(DTE)
• 常用英文名：Dithioerythritol
• CAS号：6892-68-8
• 分子式：C₄H₁₀O₂S₂
• 分子量：154.251
• 相关类别： 生物化工 糖类化合物 单糖
• 发布时间：2018-06-12 08:47:17
• 更新时间：2024-01-02 22:58:43
• 下载msds

名称

• 中文名: 1,4-二硫代赤藓醇
• 英文名: dithioerythritol
• 中文别名: 二硫赤藓醇; 二硫赤鲜醇; 1,4-二硫代赤藻糖醇; 克莱兰氏试剂; 二硫代赤藓醇(DTE); 赤式1,4-二巯基-2,3-丁二醇; 二硫代赤藓醇; 1,4-二巯基-2,3-丁二醇; 二巯基赤丝草醇; 二硫代赤丁四醇
• 英文别名: DITHIOERYTHRITOL; DL-1,4-Dithiothreitol; DTT; MFCD00063750; 1,4-Dithiothreitol; 1,4-Bissulfanylbutane-2,3-diol; DL-1,4-Dimercapto-2,3-dihydroxybutane; 2,3-Butanediol, 1,4-dimercapto-, (2S,3S)-; THREO-2,3-DIHYDROXY-1,4-DITHIOLBUTANE; Erythritol, 1,4-dithio-; 1,4-Disulfanyl-2,3-butanediol; (2R,3S)-1,4-Disulfanylbutane-2,3-diol; Threitol, 1,4-dithio-; (R*,R*)-1,4-DIMERCAPTO-2,3-BUTANEDIOL; 2,3-Butanediol, 1,4-dimercapto-, (2R,3S)-; (2S,3S)-1,4-Disulfanyl-2,3-butanediol; Cleland's Reagent; DL-Dithiothreitol; 2,3-Butanediol, 1,4-dimercapto-, (2R,3S)-rel-; (2R*,3S*)-1,4-dimercaptobutane-2,3-diol; (2S,3S)-1,4-Disulfanylbutane-2,3-diol; threo-2,3-Dihydroxy-1,4-butanedithiol; dithiothreitol; (2R*,3S*)-1,4-dimercapto-2,3-butanediol; erythro-1,4,-Dimercapto-2,3-butanediol; EINECS 229-998-8; Sputolysin; threo-1,4-Dimercapto-2,3-butanediol; (2R,3S)-1,4-bis(sulfanyl)butane-2,3-diol; 1,4-Disulfanylbutane-2,3-diol; 2,3-Butanediol, 1,4-dimercapto-; DTE; (2R,3S)-1,4-Disulfanyl-2,3-butanediol; (±)-1,4-Dimercapto-2,3-butanediol; erythro-1,4-Dimercapto-2,3-butanediol

物化性质

• 密度: 1.3±0.1 g/cm3
• 沸点: 364.5±42.0 °C at 760 mmHg
• 熔点: 82-86ºC
• 分子式: C₄H₁₀O₂S₂
• 分子量: 154.251
• 闪点: 174.2±27.9 °C
• 精确质量: 154.012222
• PSA: 118.06000
• LogP: 0.07
• 外观性状: 白色固体
• 蒸汽压: 0.0±1.8 mmHg at 25°C
• 折射率: 1.579
• 储存条件: 2-8°C
• 稳定性: Stable. Combustible. Incompatible with strong oxidizing agents.
• 水溶解性: H2O: 10 mg/mL, clear, colorless | Soluble
• 计算化学:

  1.疏水参数计算参考值（XlogP）:-0.4

  2.氢键供体数量:4

  3.氢键受体数量:4

  4.可旋转化学键数量:3

  5.互变异构体数量:无

  6.拓扑分子极性表面积42.5

  7.重原子数量:8

  8.表面电荷:0

  9.复杂度:52

  10.同位素原子数量:0

  11.确定原子立构中心数量:2

  12.不确定原子立构中心数量:0

  13.确定化学键立构中心数量:0

  14.不确定化学键立构中心数量:0

  15.共价键单元数量:1

生物活性

• 相关类别:
  信号通路 >> 其他 >> 其他
  研究领域 >> 其他
• 参考文献:

  [1]. Dithioerythritol, From Wikipedia

MSDS

Name: Dithioerythritol 99+% Material Safety Data Sheet Synonym: DTE; Dimercapto-2,3-Butanedio CAS: 6892-68-8 Section 1 - Chemical Product MSDS Name:Dithioerythritol 99+% Material Safety Data Sheet Synonym:DTE; Dimercapto-2,3-Butanedio Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 6892-68-8 Dithioerythritol +99 229-998-8 Hazard Symbols: None Listed. Risk Phrases: None Listed. Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW The toxicological properties of this material have not been fully investigated.Stench. Potential Health Effects Eye: May cause eye irritation. The toxicological properties of this material have not been fully investigated. Skin: May cause skin irritation. No information regarding skin irritation and other potential effects was found. The toxicological properties of this material have not been fully investigated. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated. Inhalation: May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Causes irritation of mucous membrane. Chronic: No information found. Section 4 - FIRST AID MEASURES Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Skin: Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse. Ingestion: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear. Notes to Physician: Section 5 - FIRE FIGHTING MEASURES General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing Media: Use agent most appropriate to extinguish fire. Use water spray, dry chemical, carbon dioxide, or appropriate foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 6892-68-8: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Solid Color: white Odor: None reported. pH: Not available. Vapor Pressure: Negligible. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 82.00 - 84.00 deg C Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Specific Gravity/Density: Molecular Formula: C4H10O2S2 Molecular Weight: 154.24 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. May decompose on exposure to moist air or water. Conditions to Avoid: Incompatible materials, moisture. Incompatibilities with Other Materials: Oxidizing agents, reducing agents, alkali metals. Hazardous Decomposition Products: Carbon monoxide, oxides of sulfur, carbon dioxide, hydrogen sulfide. Hazardous Polymerization: Has not been reported. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 6892-68-8: KF2410000 LD50/LC50: Not available. Carcinogenicity: Dithioerythritol - Not listed by ACGIH, IARC, or NTP. Other: See actual entry in RTECS for complete information. Section 12 - ECOLOGICAL INFORMATION Section 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations. Section 14 - TRANSPORT INFORMATION IATA Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: Not available. Risk Phrases: Safety Phrases: S 24/25 Avoid contact with skin and eyes. S 28A After contact with skin, wash immediately with plenty of water. S 37 Wear suitable gloves. S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). WGK (Water Danger/Protection) CAS# 6892-68-8: No information available. Canada CAS# 6892-68-8 is listed on Canada's DSL List. CAS# 6892-68-8 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 6892-68-8 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : KF2410000 CHEMICAL NAME : Erythritol, 1,4-dithio- CAS REGISTRY NUMBER : 6892-68-8 BEILSTEIN REFERENCE NO. : 1719756 LAST UPDATED : 199701 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C4-H10-O2-S2 MOLECULAR WEIGHT : 154.26 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intramuscular SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 309 mg/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold MUTATION DATA TYPE OF TEST : Cytogenetic analysis TEST SYSTEM : Human Lymphocyte DOSE/DURATION : 100 umol/L REFERENCE : HEREAY Hereditas (Lund, Sweden). (Gjoerloffsgatan 121, S-261 34 Landskrona, Sweden) V.1- 1947- Volume(issue)/page/year: 91,105,1979 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4164 No. of Facilities: 315 (estimated) No. of Industries: 2 No. of Occupations: 4 No. of Employees: 8177 (estimated) No. of Female Employees: 5997 (estimated)

安全

• 个人防护装备: dust mask type N95 (US);Eyeshields;Gloves
• 危害码 (欧洲): Xn:Harmful;
• 风险声明 (欧洲): R22;R36/37/38
• 安全声明 (欧洲): S26-S37/39
• 危险品运输编码: UN 3335
• WGK德国: 3
• RTECS号: KF2410000
• 海关编码: 29309070

合成路线

40227-25-6 ~71% 6892-68-8

文献：Lee, Sang Hyup; Kohn, Harold Heterocycles, 2003 , vol. 60, # 1 p. 47 - 56

930-22-3 564-00-1 ~% 6892-68-8 27565-41-9

文献：WO2005/33070 A2, ; Page/Page column 17; 18 ;

上下游产品

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海关

海关编码	2930909090
中文概述	2930909090. 其他有机硫化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0%
申报要素	品名, 成分含量, 用途
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%