Molekula

Terephthalic acid

SKU 11148599 CAS 100-21-0 C6H4-1,4-(CO2H)2 MW 166.13 In stock

Terephthalic acid is a white crystalline solid used primarily in the production of polyester fibers, resins, and plastic bottles. It is a key intermediate in the polymer industry. CAS: 100-21-0, Molecular Formula: C6H4-1,4-(CO2H)2, Molecular Weight: 166.13 g/mol, Storage: 2 to 8 °C, Signal Word: Warning. Molekula supplies Terephthalic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch Download specification

Overview

Pricing & pack sizes

Pack sizes & pricing

£ GBP € EUR $ USD

500 g — $64.90 per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

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Property	Value
Appearance	White powder
Water	≤0.2%
Heavy metals	≤3mg/kg
Content	≥98%
Iron (Fe)	≤1mg/kg
Burning residue	≤6mg/kg
Colour DMF	≤10
Value b	≤1.4
P-hydroxybenzoic acid	≤150mg/kg
P-hydroxybenzaldehyde	≤25mg/kg

Storage & handling

Property	Value
Storage Temperature	2 to 8 °C
Flash Point	260 C
Shelf Life	24 months
Acidity	Acid

Identification

Property	Value
SKU	11148599
CAS Number	100-21-0
Molecular Formula	C6H4-1,4-(CO2H)2
Molecular Weight	166.13
SMILES	C1=CC(=CC=C1C(=O)O)C(=O)O
REACH Code	Y110
TSCA Listed	Yes
HTS Code	2917360000
Tariff Code	2917360019

Safety & GHS

Warning

Health Hazard GHS07

Hazard statements

H302 Harmful if swallowed
H315 Causes skin irritation
H319 Causes serious eye irritation
H332 Harmful if inhaled
H335 May cause respiratory irritation
H362 May cause harm to breast-fed children

Precautionary statements

P263 Avoid contact during pregnancy/while nursing
P264 Wash thoroughly after handling
P280 Wear protective gloves/protective clothing/eye protection/face protection
P302+352 IF ON SKIN: Wash with soap and water
P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Safety Data Sheets (SDS)

Available in PT, IT, FR, ES, DE, EN.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is terephthalic acid used for?

Terephthalic acid is primarily used in the production of polyester fibers, resins, and plastic bottles, especially in the manufacturing of PET (polyethylene terephthalate).

What is the chemical formula and molecular weight of terephthalic acid?

The formula is C6H4-1,4-(CO2H)2 and the molecular weight is 166.13 g/mol.

How should terephthalic acid be stored?

It should be stored at temperatures between 2 and 8 °C to maintain stability and prevent degradation.

What grade of terephthalic acid does Molekula supply?

Molekula supplies technical grade terephthalic acid suitable for industrial applications.

Can Molekula supply terephthalic acid in bulk?

Yes, Molekula can supply terephthalic acid in bulk quantities; please contact our sales team for pricing and availability.

What documentation comes with a terephthalic acid order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) for compliance and safety purposes.

Ready to order or need a custom pack?

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