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. |
|---|---|
| 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 |
|---|---|
| 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 |
|---|---|
| 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.