Industrial chemicals · Taylor, TXTechnical Data Sheet
Glycerin 50% Food Grade
Food · 50%
- CAS number
- 56-81-5
- Structure
Structure · PubChem - Grade
- Food · 50%
Identity & Composition
- Product Name
- Glycerin 50% Food Grade
- Alliance Code
- glycerin-50-food-grade
- Grade
- Food
- Concentration
- 50%
- CAS Number
- 56-81-5PubChem
- Formula
- C3H8O3PubChem
- Molecular Weight
- 92.09PubChem
- Product Type
- Solution
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (glycerol) | 49.0 - 51.0 % | 49.8 % | — | Interpreted |
| Fatty acids and esters | not more than 0.5 mL of 0.5 N sodium hydroxide consumed | 0.05 | USP saponification / residual titration on a 50 g sample | Interpreted |
| Heavy metals | 2.5 ppm max | 0.33 ppm | — | Interpreted |
| lead | 0.51 ppm max | 0.007 ppm | — | Interpreted |
| Related compounds (total impurities, including diethylene glycol) | 0.5% max | 0.019 % | USP gas chromatography, area normalization | Interpreted |
| related compounds | 0.05 % max | 0.04 % | — | Interpreted |
| Chloride | 0.00052% max | 0.000051 % | — | Interpreted |
| Chlorinated Compounds | 0.0015% max | 0.00006 % | Morpholine reflux followed by silver-nitrate turbidity comparison | Interpreted |
| Diethylene Glycol | 0.05% max | 0.0016 % | Gas chromatography with flame-ionization detection | Interpreted |
| Ethylene glycol | 0.05 % max | 0.0022 % | USP 41 (Identification Test B, gas chromatography) | Interpreted |
| Individual Impurities, excluding Diethylene Glycol | 0.05% max | 0.007 % | Gas chromatography with flame-ionization detection | Interpreted |
| Related compounds (any individual impurity other than diethylene glycol) | 0.05% max | 0.007 % | USP gas chromatography, area normalization | Interpreted |
| Residue on Ignition | 0.0051% max | 0.0009 % | Ignition of a 50 g sample followed by sulfuric-acid treatment and ignition to constant weight | Interpreted |
| Sulfate | 0.001 % max | 0.00010 % | USP <221> | Interpreted |
| Total Impurities, including Diethylene Glycol | 0.5% max | 0.019 % | Gas chromatography with flame-ionization detection | Interpreted |
| Color (APHA) | 10 Max APHA | 3 APHA | AMT-FGQ-G10 | Interpreted |
| Composition | 50 % glycerol in deionized water, by weight | Conforms | By formulation; confirmed by specific gravity | Interpreted |
Values are reproduced from the current product reference. Source labels do not by themselves establish a supplier guarantee or a test result for your lot. Confirm applicable acceptance limits and request lot-specific documentation.
Available GradesSame CAS, alternate grades and concentrations
| Grade | Concentration | Typical Assay | SKU | TDS |
|---|---|---|---|---|
| This grade Food | 50% | — | current | current |
| Food | 75% | — | glycerin-75-food-grade | View TDS → |
| Food | 25% | — | glycerin-25-food-grade | View TDS → |
| Technical Grade | — | — | glycerin-technical-grade | View TDS → |
| USP Grade | — | — | glycerin-usp-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 | Clear, colorless, moderately viscous liquid | Adjudicated |
Regulatory & Transport
DOT / 49 CFR
- UN Number
- Not regulatedAdjudicated
- Hazard Class
- Not regulatedAdjudicated
- Packing Group
- Not regulatedAdjudicated
- Proper Shipping Name
- Not regulatedAdjudicated
GHS / OSHA HCS 2024
- Signal Word
- Not regulatedAdjudicated
- H-Codes (Hazard Statements)
- Not applicableECHA C&L Inventory
- P-Codes (Precautionary Statements)
- Not applicableECHA C&L Inventory
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: 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 50% Food Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Application Guidance
Glycerin 50% Food Grade (Food) application guidance is available on request. Contact Alliance Chemical Technical Services for grade-specific use recommendations.
Storage & Handling
- Recommended Storage
- Keep closed in a cool place away from strong oxidizers. Stainless steel, aluminum or polyethylene containers.Adjudicated
- 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
- Strong oxidizing agents (violent reaction with potassium permanganate, chromium trioxide and similar); strong bases.Adjudicated
- 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, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.3 | 2026-10-13 | Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-09-30 | 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.