Industrial chemicals · Taylor, TXTechnical Data Sheet
Citric Acid Monohydrate - ACS Reagent Grade
ACS Reagent
Identity & Composition
- Product Name
- Citric Acid Monohydrate - ACS Reagent Grade
- Alliance Code
- citric-acid-monohydrate-acs-reagent-grade
- Grade
- ACS Reagent
- Concentration
- —
- CAS Number
- 5949-29-1PubChem
- Formula
- C6H10O8PubChem
- Molecular Weight
- 210.14PubChem
- Product Type
- —
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (C6H8O7·H2O) | 99.0 - 102.0 % | 100.5 % | Acid-base titrimetry (acidimetry) | ACS Reagent Chemicals |
| Chloride (Cl) | max. 0.001% | 0.0002% | — | ACS Reagent Chemicals |
| Description | colorless or white crystals | Passes test | — | ACS Reagent Chemicals |
| Identification | to pass test | Passes test | — | ACS Reagent Chemicals |
| Insoluble matter | max. 0.005% | 0.001% | — | ACS Reagent Chemicals |
| Iron (Fe) | max. 3ppm | 0.2 ppm | — | ACS Reagent Chemicals |
| Lead (Pb) | max. 2ppm | 0.02 ppm | — | ACS Reagent Chemicals |
| Oxalate (C2O4) | to pass test | Passes test | — | ACS Reagent Chemicals |
| Phosphate (PO4) | max. 0.001% | 0.0001% | — | ACS Reagent Chemicals |
| Residue after ignition | max. 0.02% | 0.003% | — | ACS Reagent Chemicals |
| Substances carbonizable by hot sulfuric acid | to pass test | Passes test | — | ACS Reagent Chemicals |
| Sulfate (SO4) | max. 0.002% | 0.0005% | — | ACS Reagent Chemicals |
| Water (Karl Fischer) | 7.5 - 9.0 % | 8.6 % | Karl Fischer titration, USP <921> Method Ic | Interpreted |
| residue | 0.02 % max | 0.003% | — | Supplier specification |
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 ACS Reagent | — | — | current | current |
| USP Food Grade | — | — | citric-acid-monohydrate-usp-food-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 | Dry Powder | Published reference |
| Density | 1.5 g/cm³ | Published reference |
| Melting Point | 135 °C | Published reference |
| Solubility (water) | Solubility in water, g/100ml at 20 °C: 59.2 | Published reference |
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
- WarningAdjudicated
- H-Codes (Hazard Statements)
- H315, H319, H335Adjudicated
- P-Codes (Precautionary Statements)
- P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P314, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501Adjudicated
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- —no canonical
- ACGIH TLV
- —no canonical
- NIOSH REL
- —no canonical
- 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 Citric Acid Monohydrate - ACS Reagent Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
- Categorized as a pharmaceutical aidannexechem.com
- Industrial use in the manufacture of ecologically compatible detergents, chemical cleaning, concrete admixtures and plasticizersingredi.com
- Used as a hydraulic fracturing / well stimulation chemical in oil and shale gas productionmubychem.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
- Store protected from moisture.annexechem.com
- 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
- 60 monthsannexechem.comStored protected from moisture; five years from date of manufacturing
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 2026-07-17 by Andre Taki, DOT Hazmat Specialist.
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.2 | 2026-07-22 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-07-17 | Canonical data re-verified: 10 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.