EINECS/ELINCS: 234-290-7
Structural formula:
Methyl tetrahydrophthalic anhydride is mainly used as a curing agent for epoxy resins. It has a low tendency to absorb moisture from the air and zero or minimal formation of carbon dioxide when mixed with tertiary amine accelerators.
Methyl tetrahydrophthalic anhydride can be easily blended with various liquid resins providing stable, low viscous mixture and long pot lives.
In the field of reinforced plastics Methyltetrahydrophthalic anhydride is used for filament wound products (pipes for oil, poles and sport goods), laminated sheets, printed circuit boards, switch gears.
Information on basic physical and chemical properties
a) Appearance: Form: liquid Colour: light yellow
b) Odor: faint odor
c) pH: no data available
d) Melting point/freezing point: ≦-15°C
e) Initial boiling point and boiling range: 295.3°C(1013hPa)--lit.
f)Anhydride Group Content,%: ≥41.0
g) Freezing Point,℃: ≤- 15
h) Vapour density: no data available
i) Relative density: 1.20 ±0.005(25 °C)
j) Acid Value,MgKoH/g,: 650-680,
k) Partition coefficient: n-octanol/water: no data available
l) Autoignition temperature: no data available
m) Viscosity: 30~70mPa.S at 25°C
n) Decomposition temperature: no data available
o) Flash point: 164°C(1003hPa)
Package(s)
220kg/barrels or Customized.
Storage
Avoid contact with skin and eyes. Wear protective gloves and clothing. Provide sufficient air exchange and/or exhaust in work rooms
Information about protection against explosions and fires: Keep ignition sources away - Do not smoke.
Conditions for safe storage, including any incompatibilities
Keep container tightly closed in a cool, dry and well-ventilated place away from heat or direct sunlight. Remove all sources of ignition.
Specific End Uses
No data available
Description of first aid measures
General advice
Consult a doctor.
Show this safety data sheet to the doctor in attendance.
If inhaled
If inhaled, move person into fresh air. Refer for medical attention.
In case of skin contact
Wash off with soap and plenty of water while removing contaminated clothing and shoes.
Consult a doctor. Wash clothing before reuse.
In case of eye contact
Rinse thoroughly with plenty of water for at least 15 minutes and consult a doctor.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a doctor.
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