Molekula
Terephthalic acid
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.
Overview
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.
Specifications
| 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 |
|---|---|
| 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
-
Explosive
GHS01
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
Documents
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.
Pricing & pack sizes
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?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.