Industrial chemicals · Taylor, TXTechnical Data Sheet
Potassium Dichromate - Technical Grade
Technical
- CAS番号
- 7778-50-9
- UN番号
- UN3288
- 危険有害性クラス・容器等級
- 6.1 · PG III
- 構造
構造・PubChem - グレード
- Technical
- 注意喚起語
- Danger
- 危険有害性
- 正式輸送品名
- Toxic solid, inorganic, n.o.s. (Potassium dichromate)
Identity & Composition
- 製品名
- Potassium Dichromate - Technical Grade
- Alliance Code
- potassium-dichromate-sodium-bichromate-technical-grade
- グレード
- Technical
- 濃度
- —
- CAS番号
- 7778-50-9PubChem
- 化学式
- Cr2K2O7Adjudicated
- 分子量
- 294.18PubChem
- 製品種別
- Pure substance
Specifications
Not yet characterized — Specification limits for this product have not been published yet. Contact Technical Services for the current specification and available lot-specific documentation.
物理的及び化学的性質
One or more physical-property values are temporarily suppressed pending verification against vendor COA data. For complete properties refer to the Safety Data Sheet (SDS) or contact sales@alliancechemical.com.
| Property | 値 | Source |
|---|---|---|
| 外観 | Orange-red crystalline powder | Adjudicated |
| 形状 | Solid | Published reference |
| 臭い | Odorless, no distinctive odor | Published reference |
| 密度 | 2.676 at 77 °F (USCG, 1999) - Denser than water; will sink | Published reference |
| 沸点 | Decomposes at 932 °F (NTP, 1992) | Adjudicated |
| 融点 | 748 °F (NTP, 1992) | Adjudicated |
| 引火点 | N/A | Published reference |
| Solubility (water) | 10 to 50 mg/mL at 68 °F (NTP, 1992) | Published reference |
Regulatory & Transport
DOT / 49 CFR
- 国連番号
- UN3288Adjudicated
- 危険有害性クラス
- 6.1Adjudicated
- 容器等級
- IIIAdjudicated
- 正式輸送品名
- Toxic solid, inorganic, n.o.s. (Potassium dichromate)Adjudicated
GHS / OSHA HCS 2024
- 注意喚起語
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H272, H301, H312, H314, H317, H330, H334, H340, H350, H360FD, H372, H400, H410Adjudicated
- P-Codes (Precautionary Statements)
- P201, P202, P210, P220, P233, P260, P261, P264, P270, P271, P272, P273, P280, P284, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P308+P313, P310, P313, P314, P320, P321, P330, P333+P313, P342+P311, P362, P363, P370+P378, P391, P403, P403+P233, P405, P501Adjudicated
許容濃度
- OSHA PEL (29 CFR 1910.1000)
- 0.005 mg/m³ TWA (as Cr(VI)); action level 0.0025 mg/m³ — 29 CFR 1910.1026Adjudicated
- ACGIH TLV
- 0.0002 mg/m³ TWA; 0.0005 mg/m³ STEL (inhalable, as Cr(VI))Adjudicated
- NIOSH REL
- Ca — 0.0002 mg/m³ TWA (as Cr(VI))Adjudicated
- NIOSH IDLH
- 15 mg/m³ (as Cr(VI))Adjudicated
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。
Supplier Qualification Packet
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for Potassium Dichromate - Technical Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Application Guidance
Potassium Dichromate - Technical Grade (Technical) application guidance is available on request. Contact Alliance Chemical Technical Services for grade-specific use recommendations.
Storage & Handling
- Recommended Storage
- 容器を密閉し、涼しく乾燥した換気の良い場所に施錠して保管すること。可燃物、熱、着火源および混触危険物質から遠ざけ、湿気から保護すること。ドラフトチャンバーまたは密閉系で取り扱い、粉じんの発生を最小限に抑えること。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
- 可燃性物質および有機物；強還元剤；金属粉末；酸類；塩基類；ヒドラジン；炭化水素類；酸無水物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)
UN3288, Toxic solid, inorganic, n.o.s. (Potassium dichromate), 6.1, PG III
Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.
Revision History
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.8 | 2026-10-13 | Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.7 | 2026-10-08 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.6 | 2026-09-30 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.5 | 2026-09-28 | Canonical data updated: 10 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.4 | 2026-08-12 | Canonical data updated: 5 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 2026-07-22 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-07-17 | Canonical data updated: 5 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-07-17 | Canonical data re-verified: 5 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.