Description

Methyl tetrahydrophthalic anhydride Brief intro. Methyl tetrahydrophthalic anhydride is MeTHPA for short. CAS#: *********5; molecular formula: C9H*0O3; molecular weight: **6.*8; specific weight: 1.*5; soluble in benzene, acetone etc., can absorb moisture. Technical specification Item SHY—***1 SHY—***2 SHY****3 Appearance light yellow transparent liquid colorless transparent liquid Color (Pt-Co) <**0# <**0# <**0# Density g/cm3 *0℃ 1.*1±0.*5 1.*1±0.*5 Crystallization point ℃﹤ **5 **5 Viscosity pa.s(*5℃) 0.**5—0.**0 0.**5~0.**0 Acid value mgKOH/g ******5 ******5 Anhydride content % >*0.5 >*0.5 Heating loss %(**0℃) <2.0 <2.0 Use: SHY—***1/***2/***3 are curing agents for epoxy resins, and mainly used in electronics, electric work and encapsulation industries. It is the major base metal for mutual inductors, insulated paint, high-voltage electrical apparatus and glass reinforced plastics. Storage & transportation: Closed tight, protect against moisture; shelf life at room temperature is 1 yr. If absorbed moisture, it will generate ***** heat it at around **0℃ for recovery, and its property will not be affected. Jiaxing Qingyang Chemical Co., Ltd. Tel:**************5