685-73-4

• 常用中文名：半乳糖醛酸
• 常用英文名：d-galacturonic acid
• CAS号：685-73-4
• 分子式：C₆H₁₀O₇
• 分子量：194.139
• 相关类别： 生物化工 糖类化合物 寡糖
• 发布时间：2018-02-15 08:00:00
• 更新时间：2024-01-04 11:04:11

名称

• 中文名: 半乳糖醛酸
• 英文名: aldehydo-D-galacturonic acid
• 英文别名: GALACTURONATE; galactouronic acid; D-GALACTURONATE; galaturonate; D-Galactopyranuronic acid; Galactopyranuronic acid, D-; GALACTURONIC ACID,D; A-D-GALACTURONIC ACID; D-galaturonate

物化性质

• 密度: 2.0±0.1 g/cm3
• 沸点: 495.2±45.0 °C at 760 mmHg
• 熔点: 166°C
• 分子式: C₆H₁₀O₇
• 分子量: 194.139
• 闪点: 211.1±22.2 °C
• 精确质量: 194.042648
• PSA: 135.29000
• LogP: -2.88
• 蒸汽压: 0.0±2.9 mmHg at 25°C
• 折射率: 1.685
• 储存条件: 2-8℃

MSDS

Name: D(+)-galacturonic acid monohydrate 99% Material Safety Data Sheet Synonym: Non CAS: 685-73-4 Section 1 - Chemical Product MSDS Name:D(+)-galacturonic acid monohydrate 99% Material Safety Data Sheet Synonym:Non Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 685-73-4 D-(+)-Galacturonic acid monohydrate 99.0 211-682-6 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. Skin: May cause skin irritation. 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: Immediately 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. Ingestion: If victim is conscious and alert, give 2-4 cupfuls of milk or water. 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. 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: In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant 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, then place into a suitable container for disposal. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Storage: Store in a cool, dry place. Keep container closed when not in use. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels. Exposure Limits CAS# 685-73-4: 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 and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin. 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: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 164.00 - 165.00 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: soluble Specific Gravity/Density: Molecular Formula: C6H10O7.H2O Molecular Weight: 212.16 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: None reported. 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# 685-73-4 unlisted. LD50/LC50: Not available. Carcinogenicity: D-(+)-Galacturonic acid monohydrate - Not listed by ACGIH, IARC, or NTP. 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. WGK (Water Danger/Protection) CAS# 685-73-4: No information available. Canada CAS# 685-73-4 is listed on Canada's NDSL List. CAS# 685-73-4 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 685-73-4 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• WGK德国: 3
• 海关编码: 2918990090

合成路线

89946-59-8 ~% 685-73-4

文献：Carbohydrate research, , vol. 103, # 1 p. 107 - 128

73777-91-0 ~% 685-73-4 56-81-5

文献：Carbohydrate research, , vol. 103, # 1 p. 107 - 128

6812-01-7 7732-18-5 ~% 685-73-4

文献：Journal of Biological Chemistry, , vol. 234, p. 2227,2231

上下游产品

上游产品  3
73777-91-0 6812-01-7 7732-18-5
下游产品  9
526-99-8 499-05-8 5328-37-0 25253-46-7
98-01-1 147-71-7 1668-08-2 76539-65-6
80-72-8

海关

海关编码	2918990090
中文概述	2918990090. 其他含其他附加含氧基羧酸（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: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	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%