473-90-5

• 常用中文名：中草酸
• 常用英文名：Oxomalonic acid
• CAS号：473-90-5
• 分子式：C₃H₂O₅
• 分子量：118.04500
• 相关类别： 信号通路 抗感染 HIV
• 发布时间：2018-04-23 08:00:00
• 更新时间：2024-01-07 23:23:20
• Mesoxalate (Ketomalonic acid) 是一种二羧酸和酮酸,可阻断 HIV-1 逆转录酶,IC50 值为 2.2 μM。

名称

• 中文名: 中草酸
• 英文名: oxomalonic acid
• 中文别名: 氧代丙二酸
• 英文别名: MESOXALIC ACID; 2-ketomalonic acid; Mesoxalate; Oxopropanedioic acid; 2-Oxomalonsaeure; Ketomalonic acid; 2-Oxomalonic acid; Oxomalonic acid; dicarboxylic ketone; 2-oxopropanedioic acid

物化性质

• 密度: 1.832g/cm3
• 沸点: 405.2ºC at 760mmHg
• 分子式: C₃H₂O₅
• 分子量: 118.04500
• 闪点: 213ºC
• 精确质量: 117.99000
• PSA: 91.67000
• 蒸汽压: 1.06E-07mmHg at 25°C
• 折射率: 1.504

生物活性

• 描述: Mesoxalate (Ketomalonic acid) 是一种二羧酸和酮酸,可阻断 HIV-1 逆转录酶,IC50 值为 2.2 μM。
• 相关类别:
  信号通路 >> 抗感染 >> HIV
  研究领域 >> 感染
• 参考文献:

  [1]. Jean A Bernatchez, et al. Derivatives of mesoxalic acid block translocation of HIV-1 reverse transcriptase. J Biol Chem. 2015 Jan 16;290(3):1474-84.

  [2]. W R Davis, et al. Inhibition of HIV-1 reverse transcriptase-catalyzed DNA strand transfer reactions by 4-chlorophenylhydrazone of mesoxalic acid. Biochemistry. 2000 Nov 21;39(46):14279-91.

MSDS

Name: Ketomalonic Acid Monohydrate 99% Material Safety Data Sheet Synonym: Mesoxalate, Oxomalonic Acid CAS: 473-90-5 Section 1 - Chemical Product MSDS Name:Ketomalonic Acid Monohydrate 99% Material Safety Data Sheet Synonym:Mesoxalate, Oxomalonic Acid Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 473-90-5 Ketomalonic Acid Monohydrate 99 207-473-4 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. Potential Health Effects Eye: May cause eye irritation. The toxicological properties of this material have not been fully investigated. Skin: May cause skin irritation. The toxicological properties of this material have not been fully investigated. Ingestion: May cause irritation of the digestive tract. 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. 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. Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Ingestion: Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. 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. 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. Dusts may be combustible when exposed to heat, flame, or oxidizing agents. 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: Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Remove all sources of ignition. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. 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# 473-90-5: 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: Crystals Color: white to pale yellow Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Decomposes Freezing/Melting Point: 121 deg C Autoignition Temperature: Not available. Flash Point: 121 deg C ( 249.80 deg F) Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: 121 deg C Solubility in water: soluble in alcohol and ether Specific Gravity/Density: Molecular Formula: C3H4O6 Molecular Weight: 136.06 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials, dust generation, excess heat, strong oxidants. Incompatibilities with Other Materials: Oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 473-90-5: OX7480000 LD50/LC50: CAS# 473-90-5: Oral, mouse: LD50 = 5 gm/kg. Carcinogenicity: Ketomalonic Acid Monohydrate - 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# 473-90-5: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 473-90-5 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 473-90-5 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : OX7480000 CHEMICAL NAME : Mesoxalic acid CAS REGISTRY NUMBER : 473-90-5 BEILSTEIN REFERENCE NO. : 1754123 LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C3-H2-O5 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 5 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 81,1225,1961 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 4 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 81,1225,1961

安全

• 海关编码: 2918300090

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海关

海关编码	2918300090
中文概述	2918300090 其他含醛基或酮基不含其他含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0% 退税率:9.0% 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	2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%