Scapex Exports Pvt. Ltd.
830, 8th Floor, Sun Gravitas, Times of India Road,
Shyamal, Ahmedabad 380015, Gujarat, India
+91 9925522674 · info@scapexexports.com
CIN U46909GJ2025PTC164345
Shyamal, Ahmedabad 380015, Gujarat, India
+91 9925522674 · info@scapexexports.com
CIN U46909GJ2025PTC164345
Certificate of AnalysisStandard product specification
1,3-Propanediol
CAS 504-63-2 · 99.5% min, bio-based and cosmetic grades
1. Product identity
| Product name | 1,3-Propanediol |
|---|---|
| C.A.S. number | 504-63-2 |
| Grade / standard | 99.5% min, bio-based and cosmetic grades |
| Description | Clear colourless viscous liquid |
| Product group | Glycols |
| Category | Solvents & Glycols |
| Country of origin | India |
| Packing | Bags, drums, carboys, IBC or ISO tank as applicable — customer-specified packing available |
| Storage | Cool, dry, well-ventilated place in tightly closed original packing |
2. Analytical specification
| S. No. | Test parameter | Specification | Typical result | Method |
|---|---|---|---|---|
| 1 | Description | Clear colourless viscous liquid | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Assay | Not less than 99.5 % w/w | 99.75 | Gas Chromatography |
| 4 | Purity (by GC) | Not less than 99.5 % (area) | 99.77 | Gas Chromatography |
| 5 | Colour (APHA / Pt-Co) | Not more than 10 | 5 | ASTM D1209 |
| 6 | Water Content | Not more than 0.05 % w/w | 0.0147 | Karl Fischer titration |
| 7 | Acidity (as acetic acid) | Not more than 0.002 % w/w | 0.0005 | Titrimetry |
| 8 | Residue on Evaporation | Not more than 0.001 % w/w | 0.0003 | Gravimetry |
| 9 | Specific Gravity at 25 °C | 1.014 – 1.020 | 1.0170 | Pycnometry / ASTM D4052 |
| 10 | Refractive Index at 20 °C | 1.4440 – 1.4480 | 1.4451 | Refractometry / ASTM D1218 |
3. Declaration
This document sets out the standard specification for 1,3-Propanediol and applies to all consignments of this product and grade supplied by Scapex Exports Pvt. Ltd. It is not a lot-specific release document; a lot-specific certificate carrying the analysis of the material actually shipped is issued with, and travels with, each consignment. Scapex Exports supplies against customer-specified assay limits and pharmacopoeial standards — send your specification sheet and we confirm compliance in writing before the order is accepted.
SCAPEXQUALITY ASSURED