Industrial chemicals · Taylor, TXTechnical Data Sheet
Sodium Thiosulfate Technical Grade
Technical
- CAS番号
- 10102-17-7
- 構造
構造・PubChem - グレード
- Technical
Identity & Composition
- 製品名
- Sodium Thiosulfate Technical Grade
- Alliance Code
- sodium-thiosulfate
- グレード
- Technical
- 濃度
- —
- CAS番号
- 10102-17-7Adjudicated
- 化学式
- Na2S2O3·5H2OAdjudicated
- 分子量
- 248.18Adjudicated
- 製品種別
- Pure substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Purity | 99% Minimum | 99.70 % | — | Interpreted |
| Arsenic (As) | 0.001% Maximum | 0.000066 % | — | Interpreted |
| Insoluble Matter | 0.01% Maximum | 0.0022 % | — | Interpreted |
| Iron (Fe) | 0.002% Maximum | 0.00037 % | — | Interpreted |
| Sulfide | Max. 0.001% | 0.000059 % | — | Interpreted |
| Heavy Metals (Pb) | 0.003% Maximum | 0.00019 % | — | Interpreted |
| Sodium Sulfite (Na2SO3) | 0.1% Maximum | 0.047 % | — | Interpreted |
| Chloride (Cl) | 0.1% Maximum | 0.027 % | Turbidimetric vs. chloride standard (AgNO3) / argentometric titration | Interpreted |
| particle particle size | 3 - 6 Mesh | 4.2 | — | 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.
物理的及び化学的性質
| Property | 値 | Source |
|---|---|---|
| 外観 | Large Translucent Crystals | Interpreted |
| 形状 | Solid | Adjudicated |
| 臭い | Odorless | Adjudicated |
| pH | 6 – 8 (10% Solution) | Interpreted |
| 比重 | 1.69 | Adjudicated |
| 密度 | 1.05 - 1.25 g/cm3 | Interpreted |
| 沸点 | Not applicable (loses water of hydration at 100 °C) | Adjudicated |
| 融点 | 48.3 °C (118.9 °F) | Adjudicated |
| 引火点 | Not applicable (non-flammable) | Adjudicated |
| 蒸気圧 | Negligible at 20 °C | Adjudicated |
| Solubility (water) | Very soluble in water; practically insoluble in alcohol | Adjudicated |
Materials of ConstructionService envelope ≈ 100%
| Material | Rating | Max T (°C) | Notes | Source |
|---|---|---|---|---|
Buna-N (NBR) elastomer | Good | 60 | Acceptable | Cole-Parmer Chemical Compatibility |
EPDM elastomer | Excellent | 100 | Standard for brine gaskets. | Parker O-ring Chemical Compatibility |
Viton (FKM) elastomer | Excellent | 100 | Preferred elastomer | Cole-Parmer Chemical Compatibility |
Borosilicate Glass glass ceramic | Excellent | 100 | Universally inert to salt solutions. | Cole-Parmer Chemical Compatibility |
Concrete (sealed) glass ceramic | Good | — | Acceptable with epoxy coating | Cole-Parmer Chemical Compatibility |
304 stainless steel metal | Fair | 25 | Pitting in chloride-rich service | Cole-Parmer Chemical Compatibility |
316L Stainless Steel metal | Good | 60 | Watch for chloride pitting above 60 °C in chloride salts. | NACE Chloride Pitting Guidelines |
Aluminium metal | Poor | — | Pitting; not recommended for brine | Cole-Parmer Chemical Compatibility |
Carbon steel metal | Poor | — | Rapid rust in brine | Cole-Parmer Chemical Compatibility |
FRP thermoplastic | Excellent | 60 | Common bulk-storage | Cole-Parmer Chemical Compatibility |
HDPE thermoplastic | Excellent | 60 | Universal salt brine compatibility. | Cole-Parmer Chemical Compatibility |
PP thermoplastic | Excellent | 80 | Acceptable for hot brine | Cole-Parmer Chemical Compatibility |
PVC thermoplastic | Excellent | 60 | Standard for brine piping. | Cole-Parmer Chemical Compatibility |
Ratings reflect the service envelope (concentration × temperature) shown. Always confirm against your specific duty cycle and contact-time before equipment selection. The most cautious rating across overlapping references is shown.
Materials Selection Tool
Showing 13 of 13 material ratings within the selected envelope.
| Material | Rating | Max T (°C) | Notes |
|---|---|---|---|
Buna-N (NBR) elastomer | Good | 60 | Acceptable |
EPDM elastomer | Excellent | 100 | Standard for brine gaskets. |
Viton (FKM) elastomer | Excellent | 100 | Preferred elastomer |
Borosilicate Glass glass ceramic | Excellent | 100 | Universally inert to salt solutions. |
Concrete (sealed) glass ceramic | Good | — | Acceptable with epoxy coating |
304 stainless steel metal | Fair | 25 | Pitting in chloride-rich service |
316L Stainless Steel metal | Good | 60 | Watch for chloride pitting above 60 °C in chloride salts. |
Aluminium metal | Poor | — | Pitting; not recommended for brine |
Carbon steel metal | Poor | — | Rapid rust in brine |
FRP thermoplastic | Excellent | 60 | Common bulk-storage |
HDPE thermoplastic | Excellent | 60 | Universal salt brine compatibility. |
PP thermoplastic | Excellent | 80 | Acceptable for hot brine |
PVC thermoplastic | Excellent | 60 | Standard for brine piping. |
Regulatory & Transport
DOT / 49 CFR
- 国連番号
- 非該当Adjudicated
- 危険有害性クラス
- 非該当Adjudicated
- 容器等級
- 非該当Adjudicated
- 正式輸送品名
- 非該当Adjudicated
GHS / OSHA HCS 2024
- 注意喚起語
- 非該当Adjudicated
- H-Codes (Hazard Statements)
- 該当しないAdjudicated
- P-Codes (Precautionary Statements)
- 該当しないAdjudicated
許容濃度
- OSHA PEL (29 CFR 1910.1000)
- —no canonical
- ACGIH TLV
- —no canonical
- NIOSH REL
- —no canonical
- NIOSH IDLH
- —no canonical
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 Sodium Thiosulfate Technical Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
- Water treatmentpanchemcorp.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
- 直射日光および高熱を避け、涼しく乾燥した換気の良い場所で容器を密閉して保管すること。5水和物は乾燥した空気中で風解し、湿った空気中で潮解するため、湿度の変動から保護すること。酸および酸化剤から離し、他の無機塩類と共に保管すること。Adjudicated
- Handling Precautions
- Standard chemical PPE — dust mask and goggles for handling of fine grades. Avoid generating airborne dust.Class-level guidance — not product-specific; the SDS controls.
- Incompatibilities
- 強酸（二酸化硫黄を発生）；強酸化剤；亜硝酸ナトリウム及び硝酸ナトリウム（激しい反応）；ヨウ素及びヨウ化物；鉛、銀及び水銀塩。Adjudicated
- Shelf Life
- 24 monthspanchemcorp.comStored and kept well in dry atmosphere
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 |
|---|---|---|---|
| 1.4 | 2026-10-13 | Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 2026-10-02 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-09-24 | Canonical data updated: 8 fields 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.