TDPA (Thiodipropionic Acid)

TDPA (thiodipropionic acid) 
This product is white crystal powder. Its molecular weight is 178 while melting point is 128 - 134oC. It can be dissolved in hot water easily. It is used as antioxidant in soap, plasticizer and oil products. This product is the main material of thioester antioxidants such as DLTDP, DSTDP, DMTDP and DTDTP. 

Chemical name: 3.3-thiodiproprionic acid
Chemical formula: C6H10O4S
Molecular weight: 178.2
Product standard: Q/12 HG 5153-2000 

Physical properties:
Appearance white powder
Melting point: 128-134oC
Ash content: 0.3% max.
Loss on heating: 2% max.
Acid value: 620-630mgKOH/g
Color of solution: 60Pt-Co max. 
Ammonium content: 0.05% max. 
Fe content: 0.001% max.
Sulphate content: 0.3% max.

Storage:
This product should be stored in shady, cool and ventilating place, kept from water and heat during storage and transportation 

Packages:
This product is packed in cartons with plastic lining or in compound paper bags with net weight of 25 kg. We can also pack according to our customers' requests