Industrial chemicals · Taylor, TXTechnical Data Sheet
Glycerin USP Grade
USP Grade
Identity & Composition
- Product Name
- Glycerin USP Grade
- Alliance Code
- glycerin-usp-grade
- Grade
- USP Grade
- Concentration
- —
- CAS Number
- 56-81-5PubChem
- Formula
- C3H8O3PubChem
- Molecular Weight
- 92.09PubChem
- Product Type
- pure_substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (C3H8O3, anhydrous basis) | 99.0 - 101.0 percent | 100.0 percent | USP periodate oxidation / sodium hydroxide titration (monograph Assay) | USP monograph |
| Chloride | NMT 0.001% | 0.0001 % | — | USP monograph |
| Chlorinated Compounds | NMT 0.003% of Cl | 0.0002 % | Morpholine reflux followed by silver-nitrate turbidity comparison | USP monograph |
| Diethylene Glycol | NMT 0.1% | 0.005 % | Gas chromatography with flame-ionization detection | USP monograph |
| Ethylene glycol | 0.10 Max % | 0.004 % | USP 41 (Identification Test B, gas chromatography) | Supplier specification |
| Fatty Acids and Esters | NMT 1 mL of 0.5 N sodium hydroxide | 0.2 | Titration of a 50 g sample with 0.5 N sodium hydroxide and 0.5 N hydrochloric acid | USP monograph |
| Heavy Metals | NMT 5 micro-gm per g | 1 | — | USP monograph |
| Individual Impurities, excluding Diethylene Glycol | NMT 0.1% | 0.02 % | Gas chromatography with flame-ionization detection | USP monograph |
| Related compounds (any individual impurity other than diethylene glycol) | not more than 0.1% | 0.02 % | USP gas chromatography, area normalization | USP monograph |
| Related compounds (total impurities, including diethylene glycol) | not more than 1.0% | 0.05 % | USP gas chromatography, area normalization | USP monograph |
| Residue on Ignition | NMT 0.01% | 0.002 % | Ignition of a 50 g sample followed by sulfuric-acid treatment and ignition to constant weight | USP monograph |
| Sulfate | 0.002 % max | 0.0002 % | USP <221> | USP monograph |
| Total Impurities, including Diethylene Glycol | NMT 1.0% | 0.05 % | Gas chromatography with flame-ionization detection | USP monograph |
| Water | NMT 5.0% | 0.20 % | — | USP monograph |
Specification values are guaranteed limits. Typical values are representative of production lots and are not guaranteed. Lot-specific certificates of analysis ship with every order.
Available GradesSame CAS, alternate grades and concentrations
| Grade | Concentration | Typical Assay | SKU | TDS |
|---|---|---|---|---|
| This grade USP Grade | — | — | current | current |
| Food | 75% | — | glycerin-75-food-grade | View TDS → |
| Food | 50% | — | glycerin-50-food-grade | View TDS → |
| Food | 25% | — | glycerin-25-food-grade | View TDS → |
| Technical Grade | — | — | glycerin-technical-grade | View TDS → |
Typical assay shown is the rolling-window mean from the sibling product's most recent lots. Grade selection drives downstream end-use — verify the sibling grade matches your specification before substitution.
Physical & Chemical Properties
| Property | Value | Source |
|---|---|---|
| Appearance | Glycerine appears as a colorless to brown colored liquid. Combustible but may require some effort to ignite. | Published reference |
| Form | Liquid | Published reference |
| Color | Not darker than a standard made from 0.40 mL of ferric chloride CS diluted to 50 mL | USP monograph |
| Odor | MILD ODOR | Published reference |
| pH | 5.5-8.0 | Supplier specification |
| Specific Gravity (20 °C) | 1.2612 Min | Supplier specification |
| Density | 1.261 at 68 °F (USCG, 1999) - Denser than water; will sink | Published reference |
| Boiling Point | 554 °F at 760 mmHg (decomposes) (NTP, 1992) | Published reference |
| Melting Point | 64 °F (NTP, 1992) | Published reference |
| Flash Point | 320 °F (NTP, 1992) | Published reference |
| Vapor Pressure | 0.0025 mmHg at 122 °F ; 40 mmHg at 388 °F (NTP, 1992) | Published reference |
| Solubility (water) | greater than or equal to 100 mg/mL at 64 °F (NTP, 1992) | Published reference |
| Refractive Index (nD 20) | 1.470-1.475 | Supplier specification |
Regulatory & Transport
DOT / 49 CFR
- UN Number
- Not regulatedAdjudicated
- Hazard Class
- Not regulatedAdjudicated
- Packing Group
- Not regulatedAdjudicated
- Proper Shipping Name
- Not regulatedAdjudicated
GHS / OSHA HazCom 2012
- Signal Word
- Not regulatedAdjudicated
- H-Codes (Hazard Statements)
- Not applicableECHA CLP Annex VI
- P-Codes (Precautionary Statements)
- Not applicableECHA CLP Annex VI
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- 15 mg/m³ TWA total / 5 mg/m³ TWA respirableOSHA 29 CFR 1910.1000
- ACGIH TLV
- —no canonical
- NIOSH REL
- 5 mg/m³ TWA (mist)NIOSH Pocket Guide
- NIOSH IDLH
- —no canonical
Transport descriptions reflect 49 CFR 172.101 lookup at time of publication. Sourced data: ECHA CLP Annex VI for harmonised classifications, NIOSH Pocket Guide for REL/IDLH, OSHA Z-Tables for PEL. Always verify against the latest regulatory text before shipment-critical decisions.
Supplier Qualification Packet
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for Glycerin USP Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
- Pharmaceutical-grade glycerin used in food, personal care, cosmetic, pharmaceutical and other specialty applicationsc1-preview.prosites.com
Applications are drawn from published manufacturer and supplier documentation; each is sourced. Suitability for a specific use is the buyer's to confirm.
Storage & Handling
- Recommended Storage
- Cool, dry, well-ventilated area in original sealed containers. Refer to product SDS for material-specific guidance.Class-level guidance — not product-specific; the SDS controls.
- Handling Precautions
- Use standard chemical PPE — splash goggles, gloves, lab coat. Refer to SDS for hazard-specific PPE requirements.Class-level guidance — not product-specific; the SDS controls.
- Incompatibilities
- Consult the SDS for material-specific incompatibilities.Class-level guidance — not product-specific; the SDS controls.
- Shelf Life
- Consult Technical Services for product-specific shelf life
For full hazard, PPE, and emergency response guidance, refer to the Safety Data Sheet (SDS) for this product. The SDS controls in all cases where guidance differs.
Packaging & Logistics
Shipping Description (US DOT)
Not regulated for transport.
Confirm against shipping documents and carrier requirements before tender.
Revision History
Last reviewed 2026-06-17 by Andre Taki, DOT Hazmat Specialist.
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.2 | 2026-08-05 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-06-17 | Canonical data re-verified: 3 fields updated against independent vendor SDSs, CLP Annex VI, 49 CFR, and OSHA HazCom 2024 (GHS classification, hazard/precautionary codes, signal word, physical properties as applicable).
| canonical_change |
| 1.0 | 2026-05-20 | Initial URL-first TDS published from canonical chemistry registry. | initial |
This Technical Data Sheet is provided for technical reference. The Safety Data Sheet (SDS) controls in all cases where guidance differs. Values reflect Alliance Chemical canonical data at time of generation; subsequent revisions are recorded in the Revision History above.