cis-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione 顺-1,2,3,6-四氢邻苯二甲酸酐

CAS 935-79-5 MFCD00005916




Mol. FormulaC8H8O3
Mol. Weight152
Melting Point97-103
Vapor Density5.2 (vs air)
Vapor Pressure<;0.01 mmHg ( 20 °C)
Flash Point156 ºC


Chemical Namecis-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione
Synonym 1,2-cis-cyclohex-4-enedicarboxylic anhydride 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, (3aR,7aS)-rel- 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, cis- cis-1,2,3,6-Tetrahydrophthalsäureanhydrid cis-3a,4,7,7a-Tetrahydro-1,3-isobenzofurandione cis-4-Cyclohexene-1,2-dicarboxylic acid anhydride cis-4-cyclohexene-1,2-dicarboxylic anhydride cis-cyclohex-4-ene-1,2-dicarboxylic acid anhydride cis-cyclohex-4-ene-1,2-dicarboxylic acid-anhydride cis-1,2,3,6-Tetrahydrophthalic anhydride cis-4-Cyclohexene-1,2-dicarboxylic anhydride cis-4-Tetrahydrophthalic anhydride, cis-4-Cyclohexene-1,2-dicarboxylic anhydride cis-Δ4-Tetrahydrophthalic anhydride, cis-​4-​Cyclohexene-​1,2-​dicarboxylic anhydride
CAS Number935-79-5
PubChem Substance ID87565612
EC Number213-308-7
Beilstein Registry Number82341
MDL NumberMFCD00005916
Chemical Name Translation顺-1,2,3,6-四氢邻苯二甲酸酐
LabNetwork Molecule IDLN00239557
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  • {SA} Crosslinking Agents and Additives for Epoxides, Materials Science, Polymer Additives, Polymer Science
  • {SNA} Curing Agents for Epoxides, Materials Science, Polymer Additives, Polymer Science
  • {uni_hamburg} no charge; oxygen heterocycle; carbocycle; alicycle; large ring; fused rings; 5ring; 6ring; 9ring; carbo-anhydride; 1fragment
  • {SNA} Curing Agents for Epoxides, Polymer Additives, Polymer Science, 材料科学


  • Beil. 17 ,V,11,134
  • Aldrich MSDS 1 , 1671:A / Corp MSDS 1 (2), 3279:A / FT-IR 1 (1), 717:B / FT-IR 2 (1), 1213:D / FT-NMR 1 (1), 1177:B / IR-Spectra (3), 419:D / IR-Spectra (2), 370:G / NMR-Reference 2 (1), 605:D / RegBook 1 (1), 835:L / Sax 6 , 2537 / Structure Index 1 , 130:A:1
  • Short: IV/8A Title: Enthalpies of Fusion and Transition of Organic Compounds Author: Zhang, Z.-Y.; Frenkel, M.; March, K.N.; Wilhoit, R.C. Editor: Marsh, K.N. Source: Landolt-Börnstein, New Series Volume: IV/8A Year: 1995 Keyword: organic compounds; enthaly of fusion; melting point; phase transition ISBN: 3-540-58854-X ISBN: 978-3-540-58854-2 Internet Resource: DOI:10.1007/b55145 RefComment: VIII, 588 pages.
  • Short: EINECS Title: EINECS (European Inventory of Existing Commercial Chemical Substances) Source: Official Journal of the European Communities Volume: C 146 A (15.06.1990) Page: 1 Year: 1990 Internet Resource: Publish_Date: 1990/06/15


GHS Symbol
WGK Germany3
Hazard Codes 8 Xn
Hazard statements
  • H290 May be corrosive to metals 可能腐蚀金属。
  • H412 Harmfutoaquaticlifewithlonglastingeffects 对水生生物有害并具有长期影响。
  • H317 May cause an allergic skin reaction 可能导致皮肤过敏
  • H318 Causes serious eye damage 严重伤害眼睛
  • H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled 吸入可能导致过敏或哮喘症状或呼吸困难
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Precautionary statements
  • P234 Keep only in original container. 只保留在原来的容器中。
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P272 Contaminated work clothing should not be allowed out of the workplace. 污染的工作服不得带出工作场所。
  • P273 Avoid release to the environment. 避免释放到环境中。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P284 Wear respiratory protection.? 佩戴呼吸保护装置。
  • P301+P330+P331+P310
  • P303+P361+P353
  • P303+P361+P353+P310+P363
  • P304+P340+P310
  • P305+P351+P338
  • P305+P351+P338+P310
  • P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
  • P342+P311
  • P390 Absorb spillage to prevent material damage. 吸收溢出物,防止重大损害。
  • P405 Store locked up. 上锁保管。
  • P406 Store in corrosive resistant/… container with a resistant inner liner. 存放在耐腐蚀/具有耐性的内衬容器。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Signal word Danger
UN Number 2698
Safety Statements
  • S22 Do not breathe dust 不要吸入粉尘;
  • S24 Avoid contact with skin 避免皮肤接触;
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
  • S37/39 Wear suitable gloves and eye/face protection 穿戴适当的手套和眼睛/面保护;
  • S41 In case of fire and/or explosion do not breathe fumes 着火和/或爆炸时,不要吸入烟雾;
  • S42/43
  • S52/53
  • S61 Avoid release to the environment. Refer to special instructions/safety data sheet 避免释放到环境中,参考特别指示/安全收据说明书;
Risk Statements
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
  • R41 Risk of serious damage to eyes 有严重损伤眼睛的危险
  • R42/43
  • R52/53
Storage condition Moisture Sensitive 充氩保存
Packing GroupIII
Hazard Class8