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
Naphthalene-D8, 99 Atom% D
CAS 1146-65-2 · 99% (CP)
1. Product identity
| Product name | Naphthalene-D8, 99 Atom% D |
|---|---|
| C.A.S. number | 1146-65-2 |
| Grade / standard | 99% (CP) |
| Description | Clear colorless liquid |
| Product group | Deuterated NMR Solvents |
| Category | Laboratory & Analytical Reagents |
| 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 colorless liquid | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Assay | Not less than 99.0 % w/w | 99.27 | Titrimetry / Instrumental |
| 4 | Purity (by GC) | Not less than 99.5 % (area) | 99.89 | Gas Chromatography |
| 5 | Colour (APHA / Pt-Co) | Not more than 10 | 3 | ASTM D1209 |
| 6 | Water Content | Not more than 0.05 % w/w | 0.0146 | Karl Fischer titration |
| 7 | Acidity (as acetic acid) | Not more than 0.002 % w/w | 0.0008 | Titrimetry |
| 8 | Residue on Evaporation | Not more than 0.001 % w/w | 0.0001 | Gravimetry |
| 9 | Specific Gravity at 25 °C | As per specification | Conforms | Pycnometry / ASTM D4052 |
| 10 | Refractive Index at 20 °C | As per specification | Conforms | Refractometry / ASTM D1218 |
3. Declaration
This document sets out the standard specification for Naphthalene-D8, 99 Atom% D 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