Industrial chemicals · Taylor, TX
Technical Data Sheet

Technical Data Sheet

Citric Acid 50% Solution Technical Grade

Reagent · 50%

CAS Number
77-92-9
Alliance Code
citric-acid-50-solution
Generated
2026-08-31
Revision
1.2
Reviewed
2026-07-17 · Andre Taki
2D chemical structure of Citric Acid 50% Solution Technical Grade
Structure · PubChem
Last reviewed 2026-07-17 by Andre Taki, DOT Hazmat Specialist.

Identity & Composition

Product Name
Citric Acid 50% Solution Technical Grade
Alliance Code
citric-acid-50-solution
Grade
Reagent
Concentration
50%
CAS Number
77-92-9PubChem
Formula
C6H8O7PubChem
Molecular Weight
192.12PubChem
Product Type
solution

Specifications

TestSpecificationTypicalMethodSource
Assay as Anhydrous Citric Acid49 - 50.5 % (w/w)50.0 %Alkalimetric titration, reported as anhydrous C6H8O7 % w/wSupplier specification
Drinking-water treatment complianceComply with the NSF/ANSI 60 specPasses testSupplier specification
Residue on Ignition (sulfated ash)Max 0.05 %0.006 %USP <281> / sulfated ash, 800 CInterpreted
Heavy Metals (as Pb)Max 5 ppm0.2 ppmICP-OES, USP <233>Interpreted

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

GradeConcentrationTypical AssaySKUTDS
This grade Reagent50%currentcurrent
Technical25%citric-acid-25-solutionView TDS →
ACS Reagentcitric-acid-anhydrous-acs-reagent-gradeView TDS →
Foodcitric-acid-anhydrous-food-gradeView 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

PropertyValueSource
AppearanceClear/white to pale yellow free from foreign particlesSupplier specification
FormLiquidPublished reference
ColorMax 100 APHASupplier specification
OdorOdorlessPublished reference
pH1.0 - 1.6Interpreted
Specific Gravity (20 °C)1.2Supplier specification
Density1.24 (50% w/w aqueous solution, 20 °C)Published reference
Boiling Point~100-105 °C (dilute aqueous)Published reference
Melting PointNot characterized for the 50% solutionPublished reference
Flash PointNot applicable (non-combustible aqueous solution)Published reference
Solubility (water)MiscibleSupplier 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
WarningAdjudicated
H-Codes (Hazard Statements)
H319, H335Adjudicated
P-Codes (Precautionary Statements)
P261, P264, P271, P280, P304+P340, P305+P351+P338, P314, P337+P313, 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 50% Solution Technical Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.

Download audit packet

Applications

  • 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
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.

NMFC Class
55

Revision History

Last reviewed 2026-07-17 by Andre Taki, DOT Hazmat Specialist.

VersionDateChangeTrigger
1.22026-08-05Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
  • unNumber· canonical change (coa.data_provenance / adjudication)
  • hazardClass· canonical change (coa.data_provenance / adjudication)
  • packingGroup· canonical change (coa.data_provenance / adjudication)
  • dotProperShippingName· canonical change (coa.data_provenance / adjudication)
canonical_change
1.12026-07-17Canonical data re-verified: 8 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).
  • color· canonical adjudication / reground (coa.data_provenance)
  • countryOfOrigin· canonical adjudication / reground (coa.data_provenance)
  • ghsClassification· canonical adjudication / reground (coa.data_provenance)
  • hazard_h_codes· canonical adjudication / reground (coa.data_provenance)
  • hazard_p_codes· canonical adjudication / reground (coa.data_provenance)
  • hsCode· canonical adjudication / reground (coa.data_provenance)
  • physicalProperties· canonical adjudication / reground (coa.data_provenance)
  • specificGravity· canonical adjudication / reground (coa.data_provenance)
canonical_change
1.02026-05-20Initial 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.