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| CAS No.: | 935-79-5 |
|---|---|
| Name: | cis-1,2,3,6-Tetrahydrophthalic anhydride |
| Article Data: | 25 |
| Molecular Structure: | |
|
|
|
| Formula: | C8H8 O3 |
| Molecular Weight: | 152.15 |
| Synonyms: | 1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-, cis-;4-Cyclohexene-1,2-dicarboxylic anhydride, cis- (8CI);NSC 49672;cis-1,2,3,6-Tetrahydrophthalic acid anhydride;cis-4-Cyclohexene-1,2-dicarboxylicacid anhydride;cis-4-Cyclohexene-1,2-dicarboxylic anhydride;cis-D4-Tetrahydrophthalic anhydride; |
| EINECS: | 213-308-7 |
| Density: | 1.289 g/cm3 |
| Melting Point: | 98 °C |
| Boiling Point: | 305.6 °C at 760 mmHg |
| Flash Point: | 148.2 °C |
| Solubility: | reacts with water |
| Appearance: | white flakes |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 41-42/43-52/53 |
| Safety: | 22-24-26-37/39-61 |
| Transport Information: | UN 2698 8/PG 3 |
| PSA: | 43.37000 |
| LogP: | 0.65220 |
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Chemistry
The Molecular Structure of cis-1,2,3,6-Tetrahydrophthalic anhydride (CAS NO.935-79-5):
Empirical Formula: C8H8O3
Molecular Weight: 152.1473
IUPAC: (3aS,7aR)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
Product Categories: Diels-Alder Adducts
Appearance: white flakes
Nominal Mass: 152 Da
Average Mass: 152.1473 Da
Monoisotopic Mass: 152.047344 Da
Index of Refraction: 1.529
Molar Refractivity: 36.41 cm3
Molar Volume: 118 cm3
Surface Tension: 44.9 dyne/cm
Density: 1.289 g/cm3
Flash Point: 148.2 °C
Enthalpy of Vaporization: 54.6 kJ/mol
Boiling Point: 305.6 °C at 760 mmHg
Vapour Pressure: 0.000815 mmHg at 25°C
Water Solubility: reacts
Solubility: Soluble in common organic solvents, slightly soluble in petroleum ether
Sensitive: Moisture Sensitive
BRN: 82341
InChI
InChI=1/C8H8O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-2,5-6H,3-4H2/t5-,6+
Smiles
O1C([C@H]2CC=CC[C@@H]2C1=O)=O
Uses
cis-1,2,3,6-Tetrahydrophthalic anhydride (CAS NO.935-79-5) can be used as coatings, epoxy resin curing agents, polyester resins, adhesives, plasticizers, pesticides, etc.
Safety Profile
Hazard Codes: 
Xn
Risk Statements: 41-42/43-52/53
R41: Risk of serious damage to the eyes
R42/43: May cause sensitization by inhalation and skin contact
R52/53: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements: 22-24-26-37/39-61
S22: Do not breathe dust
S24: Avoid contact with skin
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S37/39: Wear suitable gloves and eye/face protection
RIDADR: UN 2698 8/PG 3
WGK Germany: 3
RTECS: GW5775000
Specification
cis-1,2,3,6-Tetrahydrophthalic anhydride (CAS NO.935-79-5) is also called as AI3-23866 ; EINECS 213-308-7 ; NSC 49672 ; cis-3a,4,7,7a-Tetrahydro-1,3-isobenzofurandione ; 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, cis- ; cis-1,2,3,6-Tetrahydrophthalic anhydride .