CHEMICAL AND PHYSICAL PROPERTIES
Physical Description | Memtetrahydrophthalic anhydride is a clear colorless to light yellow slight viscous liquid. Highly toxic and a strong irritant to skin, eyes and mucous membranes. Corrosive to skin and metal. Used in making polyester, alkyd resins, and plasticizers. |
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Color/Form | White crystalline powder |
Boiling Point | at 6.7kPa: 195 °C |
Melting Point | Crystals from petroleum ether. MP: 103.5 °C. Soluble in ethanol, acetone, chloroform, benzene; slightly soluble in petroleum ether. /cis-1,2,3,6-Tetrahydrophthalic anhydride/ |
Flash Point | 315 °F (157 °C) Open cup |
Solubility | Slightly soluble in petroleum ether and ethyl ether; soluble in benzene |
Density | 1.20 at 105 °C |
Vapor Density | Relative vapor density (air = 1): 5.3 |
Vapor Pressure | 0.05 [mmHg] |
Autoignition Temperature | 450 °C |
Decomposition | When heated to decomposition it emits acrid smoke and fumes. |
Other Experimental Properties | LEAVES; MP: 128 °C; DECOMP IN HOT WATER; VERY SOL IN ALC, BENZENE; SPECIFIC OPTICAL ROTATION: +6.6 DEG @ 25 °C/D (IN ALCOHOL) /TETRAHYDROPHTHALIC ANHYDRIDE (TRANS, D)/ |
Chemical Classes | Plastics & Rubber -> Acid Anhydrides, Cyclic |
SAFETY INFORMATION
Signal word | Warning |
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Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P362:Take off contaminated clothing and wash before reuse. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
COMPUTED DESCRIPTORS
Molecular Weight | 152.15 g/mol |
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XLogP3 | 0.8 |
Hydrogen Bond Donor Count | 0 |
Hydrogen Bond Acceptor Count | 3 |
Rotatable Bond Count | 0 |
Exact Mass | 152.047344113 g/mol |
Monoisotopic Mass | 152.047344113 g/mol |
Topological Polar Surface Area | 43.4 Ų |
Heavy Atom Count | 11 |
Formal Charge | 0 |
Complexity | 218 |
Isotope Atom Count | 0 |
Defined Atom Stereocenter Count | 0 |
Undefined Atom Stereocenter Count | 2 |
Defined Bond Stereocenter Count | 0 |
Undefined Bond Stereocenter Count | 0 |
Covalently-Bonded Unit Count | 1 |
Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Memtetrahydrophthalic anhydride is a clear colorless to light yellow slight viscous liquid. Highly toxic and a strong irritant to skin, eyes and mucous membranes. Corrosive to skin and metal. Used in making polyester, alkyd resins, and plasticizers.