BENZENESULFINIC ACID SODIUM SALT CAS 873-55-2 NaBS

BENZENESULFINIC ACID SODIUM SALT is white to off-white crystalline powder, easily soluble in water.Mainly used as mild reducing agent in organic synthesis, electroplating additives, as well as pharmaceutical and dye intermediates.Its stability is good, but need to avoid contact with strong oxidising agents, need to pay attention to dustproof when operating, slightly irritating to eyes and respiratory tract.

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Model:
873-55-2
Brand:
Futurechemical
Code:
873-55-2

Product Description

BENZENESULFINIC ACID SODIUM SALT Basic information
Product Name:	BENZENESULFINIC ACID SODIUM SALT
CAS:	873-55-2
MF:	C6H5NaO2S
MW:	164.16
EINECS:	212-842-8
Mol File:	873-55-2.mol
BENZENESULFINIC ACID SODIUM SALT Chemical Properties
Melting point	>300 °C(lit.)
Boiling point	83-84 °C
density	1.45[at 20℃]
storage temp.	Inert atmosphere,Room Temperature
solubility	Water
form	Crystals or Crystalline Powder
color	White
Water Solubility	Soluble in water.
Sensitive	Hygroscopic
BRN	3598405
LogP	-3.54
CAS DataBase Reference	873-55-2(CAS DataBase Reference)
EPA Substance Registry System	Benzenesulfinic acid, sodium salt (873-55-2)

外观 Appearance	白色结晶 white powder	白色结晶 white powder
含量% Content	98Min	99
PH值	7~10	7.0
水中不溶物%≤ Insoluble matter in water	4.0Max	1.80
水份%≤ Moisture	25Max	21
氯化钠% Sodium chloride	1.0Max	0.35
硫酸钠% Sodium sulfate	1.0Max	0.66
碳酸钠% Sodium carbonate	0.5Max	0.06
重金属ppm Heavy metal	10 Max	5
铁离子ppm Iron	10Max	5
数量 Quantity		500KG

BENZENESULFINIC ACID SODIUM SALT CAS 873-55-2 NaBS C6H5NaO2S

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.