求环己酸的MSDS和详细点的物性数据？ 第二个更准确。虽然从化学上讲两个cas号最后指向同一个物质，但第一个cas号更注重的是由苯甲酸氢化得到组分。 msds for cyclohexanecarboxylic acid, 98+% material safety data sheet cyclohexanecarboxylic acid, 98+% section 1 - chemical product and company identification msds name: cyclohexanecarboxylic acid, 98+% catalog numbers: 14656-0000, 14656-0010, 14656-0250, 14656-1000, 14656-5000 synonyms: hexahydrobenzoic acid company identification: acros organics bvbajanssen pharmaceuticalaan 3a2440 geel, belgium company identification: (usa) acros organicsone reagent lanefair lawn, nj 07410 for information in the us, call: 800-acros-01 for information in europe, call: +32 14 57 52 11 emergency number, europe: +32 14 57 52 99 emergency number us: 201-796-7100 chemtrec phone number, us: 800-424-9300 chemtrec phone number, europe: 703-527-3887 section 2 - composition, information on ingredients cas# chemical name: % einecs# 98-89-5 cyclohexanecarboxylic acid 98+% 202-711-3 hazard symbols: xi risk phrases: 36/37/38 section 3 - hazards identification emergency overview irritating to eyes, respiratory system and skin. potential health effects eye: causes eye irritation. skin: causes skin irritation. may be harmful if absorbed through the skin. ingestion: may cause irritation of the digestive tract. may be harmful if swallowed. inhalation: causes respiratory tract irritation. may be harmful if inhaled. chronic: 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# 98-89-5: personal protective equipment eyes: wear chemical splash goggles. 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: not available ph: not available vapor pressure: not available viscosity: not available boiling point: 232 - 233 deg c @760mmhg freezing/melting point: 30 - 32 deg c autoignition temperature: not available flash point: 112 deg c ( 233.60 deg f) explosion limits: lower: not available explosion limits: upper: not available decomposition temperature: not available solubility in water: 0.201g/100ml (15 c) specific gravity/density: 1.030 molecular formula: c7h12o2 molecular weight: 128.17 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, strong bases. hazardous decomposition products carbon monoxide, carbon dioxide. hazardous polymerization has not been reported. section 11 - toxicological information rtecs#: cas# 98-89-5: gu8370000 ld50/lc50: rtecs: cas# 98-89-5: oral, rat: ld50 = 3265 mg/kg;. carcinogenicity: cyclohexanecarboxylic acid - not listed as a carcinogen by acgih, iarc, ntp, or ca prop 65. other: see actual entry in rtecs for complete information. the toxicological properties have not been fully investigated. section 12 - ecological information not available section 13 - disposal considerations dispose of in a manner consistent with federal, state, and local regulations. section 14 - transport information iata imo rid/adr shipping name: not regulated. not regulated. not regulated. hazard class: un number: packing group: section 15 - regulatory information european/international regulations european labeling in accordance with ec directives hazard symbols: xi risk phrases: r 36/37/38 irritating to eyes, respiratory system and skin. safety phrases: s 26 in case of contact with eyes, rinse immediately with plenty of water and seek medical advice. s 37/39 wear suitable gloves and eye/face protection. wgk (water danger/protection) cas# 98-89-5: 1 canada cas# 98-89-5 is listed on canada's dsl list us federal tsca cas# 98-89-5 is listed on the tsca inventory. section 16 - other information msds creation date: 7/16/1996 revision #1 date 3/23/2004 revisions were made in sections: general revision. the information above is believed to be accurate and represents the best information currently available to us. however, we make no warranty of merchantibility or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. users should make their own investigations to determine the suitability of the information for their particular purposes. in no event shall the company be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential, or exemplary damages howsoever arising, even if the company has been advised of the possibility of such damages. --------------------------------------------------------------------------------查看更多
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