35691-93-1

• 常用中文名：3,5-二甲基吡唑-4-甲酸乙酯
• 常用英文名：Ethyl 3,5-Dimethylpyrazole-4-carboxylate
• CAS号：35691-93-1
• 分子式：C₈H₁₂N₂O₂
• 分子量：168.19300
• 发布时间：2018-12-28 14:15:34
• 更新时间：2024-01-10 12:54:33
• 下载msds

名称

• 中文名: 3,5-二甲基-1H-4-吡唑羧酸乙酯
• 英文名: Ethyl 3,5-dimethyl-1H-pyrazole-4-carboxylate
• 中文别名: 3,5-二甲基吡唑-4-甲酸乙酯
• 英文别名: ethyl 3,5-dimethyl-1H-pyrazole-4-carboxylate; Ethyl 3,5-Dimethylpyrazole-4-carboxylate

物化性质

• 密度: 1.136g/cm3
• 沸点: 284.8ºC at 760mmHg
• 熔点: 66ºC
• 分子式: C₈H₁₂N₂O₂
• 分子量: 168.19300
• 闪点: 126ºC
• 精确质量: 168.09000
• PSA: 54.98000
• LogP: 1.20320
• 折射率: 1.518
• 储存条件: 室温，干燥

MSDS

Name: Ethyl 3 5-dimethyl-1H-4-pyrazolecarboxylate Material Safety Data Sheet Synonym: CAS: 35691-93-1 Section 1 - Chemical Product MSDS Name:Ethyl 3 5-dimethyl-1H-4-pyrazolecarboxylate Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 35691-93-1 Ethyl 3,5-dimethyl-1H-4-pyrazolecarbox 97+% unlisted Hazard Symbols: XN Risk Phrases: 22 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Harmful if swallowed. Irritating to eyes, respiratory system and skin. Potential Health Effects Eye: Causes eye irritation. Skin: Causes skin irritation. Ingestion: Harmful if swallowed. May cause irritation of the digestive tract. Inhalation: Causes respiratory tract irritation. Chronic: Not available. 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. Ingestion: Get medical aid. Wash mouth out with 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. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical 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. Section 7 - HANDLING and STORAGE Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Storage: Store in a cool, dry place. Store in a tightly closed container. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 35691-93-1: Personal Protective Equipment Eyes: Not available. 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: Not available. Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 95 - 96 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: C8H12N2O2 Molecular Weight: 168.2 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, oxides of nitrogen, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 35691-93-1: UQ6394800 LD50/LC50: Not available. Carcinogenicity: Ethyl 3,5-dimethyl-1H-4-pyrazolecarboxylate - 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: XN Risk Phrases: R 22 Harmful if swallowed. R 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: S 22 Do not breathe dust. S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/37/39 Wear suitable protective clothing, gloves and eye/face protection. WGK (Water Danger/Protection) CAS# 35691-93-1: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 35691-93-1 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 35691-93-1 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 : UQ6394800 CHEMICAL NAME : 4-Pyrazolecarboxylic acid, 3,5-dimethyl-, ethyl ester CAS REGISTRY NUMBER : 35691-93-1 BEILSTEIN REFERENCE NO. : 0123695 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C8-H12-N2-O2 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 250 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : LDTU** "Narkoseversuche mit Hoheren Alkoholen und Stickstoffderivaten, Dissertation," Leube, F., Pharmakologischen Institut der Universitat Tubingen, Fed. Rep. Ger., 1931 Volume(issue)/page/year: -,-,1931

安全

• 海关编码: 2933199090

合成路线

603-69-0 ~67% 35691-93-1

文献：H. LUNDBECK A/S; ESKILDSEN, Jørgen Patent: WO2014/49133 A1, 2014 ; Location in patent: Page/Page column 44 ;

1830-94-0 ~93% 35691-93-1

文献：Jung, Jae-Chul; Watkins, E.Blake; Avery, Mitchell A Tetrahedron, 2002 , vol. 58, # 18 p. 3639 - 3646

99181-91-6 ~92% 35691-93-1

文献：Emelina, E. E.; Ermakov, N. V.; Ershov, B. A.; Zelenin, A. K. Russian Journal of Organic Chemistry, 1994 , vol. 30, # 10 p. 1637 - 1639 Zhurnal Organicheskoi Khimii, 1994 , vol. 30, # 10 p. 1554 - 1555

603-69-0 ~32% 35691-93-1 141-97-9 1068-57-1

文献：Russian Journal of Organic Chemistry, , vol. 30, # 10 p. 1630 - 1636 Zhurnal Organicheskoi Khimii, , vol. 30, # 10 p. 1548 - 1553

141-97-9 ~% 35691-93-1

文献：Tetrahedron, , vol. 58, # 18 p. 3639 - 3646

15301-37-8 ~% 35691-93-1

文献：Justus Liebigs Annalen der Chemie, , vol. 279, p. 237

29214-62-8 563-41-7 127-09-3 ~% 4344-87-0 详细

文献：Journal of the Indian Chemical Society, , vol. 7, p. 480 Chem. Zentralbl., , vol. 101, # II p. 3024

上下游产品

上游产品  8
603-69-0 1830-94-0 99181-91-6 141-97-9
15301-37-8 29214-62-8 563-41-7 127-09-3
下游产品  1
113808-86-9

海关

海关编码	2933199090
中文概述	2933199090. 其他结构上有非稠合吡唑环化合物. 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:20.0%
申报要素	品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%