Technical Data Sheet
USP Food Grade
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (C6H8O7, anhydrous basis) | 99.5%-100.5% on the anhydrous basis | 99.98 % | Titration with 1 N sodium hydroxide VS to phenolphthalein; 1 mL = 64.03 mg C6H8O7 | Interpreted |
| Clarity of Solution | The Sample solution shows the same clarity as that of water or its opalescence is not more pronounced than Standard suspension A | Passes test | 200 mg/mL in water, compared with water and Standard suspension A | Interpreted |
| Description | Colorless, translucent crystals or a white, granular to fine, crystalline powder | Passes test | — | Interpreted |
| Heavy Metals | NMT 10 µg/g | 0.35 | Heavy metals (as Pb), sulfide colour comparison against lead standard | Interpreted |
| Lead | Not more than 0.5 mg/kg | 0.073 mg/kg | — | Interpreted |
| Oxalic Acid | ≤ 0.036 % | 0.0015 % | — | Interpreted |
| Residue on Ignition (USP) | NMT 0.1% | 0.0094 % | Residue on Ignition <281>, 1.0 g | Interpreted |
| Readily Carbonizable Substances | Not darker than Matching Fluid K | Passes test | 1.0 g in 10 mL sulfuric acid, 90 ± 1 °C for 60 ± 0.5 min | Interpreted |
| Sulfate (SO4) | ≤ 0.015 % | 0.0047 % | — | Interpreted |
| Tridodecylamine (solvent-extracted material only) | Not more than 0.1 mg/kg | 0.011 mg/kg | — | Interpreted |
| Water | 7.5%-9.0% | 8.8 % | Water Determination, Method I <921> (Karl Fischer), 0.5 g sample | Interpreted |
| Identification | Meets USP/FCC requirements | Passes test | USP citrate identification test / FTIR vs. reference standard | Interpreted |
| Arsenic (as As) | Not more than 1 mg/kg | 0.045 mg/kg | ICP-MS / FCC arsenic limit test | Interpreted |
| iron | 0 - 5 ppm | < 1 | — | Interpreted |
| oxalate | 0 - 100 ppm | < 25 | — | 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.
| グレード | 濃度 | Typical Assay | SKU | TDS |
|---|---|---|---|---|
| This grade USP Food Grade | — | — | current | current |
| ACS Reagent | — | — | citric-acid-monohydrate-acs-reagent-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.
| Property | 値 | Source |
|---|---|---|
| 外観 | Translucent | Adjudicated |
| 形状 | Crystal | Published reference |
| 色 | The Sample solution is not more intensely colored than water; if more intensely colored, not more intensely colored than Standard solutions A, B, and C | Interpreted |
| 密度 | 1.5 g/cm³ | Published reference |
| 沸点 | 175 | Published reference |
| 融点 | 135 °C | Adjudicated |
| 引火点 | 385 | Published reference |
| Solubility (water) | Solubility in water, g/100ml at 20 °C: 59.2 | Published reference |
輸送情報は発行時点の49 CFR 172.101の照会結果を反映しています。データ出典:REL/IDLHはNIOSH Pocket Guide、PELはOSHA Zテーブル。出荷に関わる重要な判断の前に、必ず最新の規制本文で確認してください。
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for Citric Acid Monohydrate - USP Food Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications are drawn from published manufacturer and supplier documentation; each is sourced. Suitability for a specific use is the buyer's to confirm.
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.
Not regulated for transport.
Confirm against shipping documents and carrier requirements before tender.
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.5 | 2026-10-13 | Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.4 | 2026-10-07 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 2026-09-30 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 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: 7 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.