CAS.100-21-0

HS Code. 2917361100

Origin

South Asia or China origin

Description

A white crystalline powder with a slight acidic odor.

Specifications 

Acidity     (Mg of KOH/gm)           675 ± 2

Moisture  (wt %)                        0.2 max

Ashes (ppm)                               7 max

4 Carboxybenzaldehyde (ppm)  20 max

Color  (APHA)                             10 max

Iron    (ppm)                              0.5 max

Para Toluic Acid (ppm)               120 max

Total metals Fe, Mn, Co, Cr, Ni, Mo, Ti   (ppm) 2 max

Δ Y                                           10 max

b-Color                                    1.5 max

Applications 

PTA is mainly used in the production of polyester products, including polyethylene terphthalate (PET), follows reaction with glycol, reagent for alkali in wool and an additive to poultry feeds.

Storage and handling

Multi ply paper bag with sealed plastic liner or heavy gauge plastic bag. Check that all containers are clearly labeled and free from leaks.

Packaging

Big-bags of 1000kg (20MT per 20ft container). Big-bags of 1100kg (22MT per 20ft container). Bulk container (up to 25MT per 20ft container).

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PTA (Purified Terephthalic Acid)