Sodium thiosulfate pentahydrate (CAS 10102-17-7)

Chinese name: 硫代硫酸钠

Sodium thiosulfate pentahydrate is registered under CAS 10102-17-7. Molecular formula: H10Na2O8S2. Approximate molecular weight: 248.18. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

Open in CAS Lookup · MW Calculator · RFQ Template · Request quote

Physical & identity data

CAS Number	10102-17-7
English name	Sodium thiosulfate pentahydrate
Chinese name	硫代硫酸钠
Molecular formula	H10Na2O8S2
Molecular weight	248.18
Melting point	48.5℃
Density	1.729
Water solubility	680G/L(20℃)
HS code (ref.)	28323000

Applications (reference)

五水硫代硫酸钠(10102-17-7)的用途：
分析试剂，如氧化还原滴定剂。
除氯剂。媒染剂。
用作照相行业的定影剂。
用于电镀、净化用水和鞣制皮革，还用作化工业的还原剂、棉织品漂白后的脱氯剂、染毛织物的硫染剂、靛蓝染料的防白剂、纸浆脱氯剂、医药工业中用作洗涤剂、消毒剂和褪色剂等。

Related products at SKYSEVEN Chemical

No on-catalog product linked yet. Contact sales with CAS 10102-17-7 for availability.

Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 10102-17-7?

Sodium thiosulfate pentahydrate is identified by CAS Registry Number 10102-17-7. Molecular formula: H10Na2O8S2. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy Sodium thiosulfate pentahydrate?

Request a quote on cnchemshop.com. SKYSEVEN Chemical supplies industrial grades with COA/SDS on request for export orders.

How do I verify CAS 10102-17-7 data?

Cross-check PubChem / NIST / CAS Common Chemistry, and use our free CAS lookup tool. Always match CAS on COA and invoice.

Data is for informational reference only. Verify lot-specific values with COA/SDS. Not for medical advice.