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HomeProduct name listTetrahydromethyl-1,3-isobenzofurandione

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: 2024-12-18 14:15:30
Tetrahydromethyl-1,3-isobenzofurandione Structural

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)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
ghs
Health Hazard
GHS08
ghs
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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