Tetrahydromethyl-1,3-isobenzofurandione
- CAS NO.：11070-44-3
- Empirical Formula: C9H10O3
- Molecular Weight: 166.17
- MDL number: MFCD00014585
- EINECS: 234-290-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-04-23 16:18:34
What is Tetrahydromethyl-1,3-isobenzofurandione?
Chemical properties
colorless or light yellow liquid
The Uses of Tetrahydromethyl-1,3-isobenzofurandione
Methyltetrahydrophthalic Anhydride (abbreviation:MTHPA) has been used in the curing agents for epoxy resins, solvent-free paints,laminated boards, epoxy adhesives and so on. When used in the curing agent for epoxy resins, there are many excellent performances such as the long-term storage at room temperature, low freezing point, low volatility and low toxicity. Also widely used in motors, dry-type transformers, appliances capacitors, power capacitors, integrated circuits impregnation, casting and winding.
The Uses of Tetrahydromethyl-1,3-isobenzofurandione
Methyltetrahydrophthalic Anhydride (MTHPA) is used in preparation method of conductive adhesive.
Flammability and Explosibility
Non flammable
Properties of Tetrahydromethyl-1,3-isobenzofurandione
| Boiling point: | 120 °C/3 mmHg |
| Density | 1,21 g/cm3 |
| vapor pressure | 0.373Pa at 24.85℃ |
| refractive index | 1.4970 to 1.5020 |
| Flash point: | 157 °C |
| Water Solubility | Soluble in water |
| form | clear liquid |
| color | Colorless to Light yellow |
| CAS DataBase Reference | 11070-44-3(CAS DataBase Reference) |
| EPA Substance Registry System | 1,3-Isobenzofurandione, tetrahydromethyl- (11070-44-3) |
Safety information for Tetrahydromethyl-1,3-isobenzofurandione
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H317:Sensitisation, Skin H318:Serious eye damage/eye irritation H334:Sensitisation, respiratory H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H336:Specific target organ toxicity,single exposure; Narcotic effects H402:Hazardous to the aquatic environment, acute hazard H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P272:Contaminated work clothing should not be allowed out of the workplace. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P284:Wear respiratory protection. P391:Collect spillage. Hazardous to the aquatic environment P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention. P342+P311:IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. |
Computed Descriptors for Tetrahydromethyl-1,3-isobenzofurandione
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