potassium metabisulfite

Modify Date: 2025-08-24 14:35:22

potassium metabisulfite structure	Common Name	potassium metabisulfite
	CAS Number	16731-55-8	Molecular Weight	222.32400
	Density	2.34 g/cm3	Boiling Point	N/A
	Molecular Formula	K₂O₅S₂	Melting Point	190ºC
	MSDS	Chinese USA	Flash Point	N/A
	Symbol	GHS05	Signal Word	Danger

Name	potassium metabisulfite
Synonym	More Synonyms

Density	2.34 g/cm3
Melting Point	190ºC
Molecular Formula	K₂O₅S₂
Molecular Weight	222.32400
Exact Mass	221.84600
PSA	124.92000
LogP	0.27220
InChIKey	RWPGFSMJFRPDDP-UHFFFAOYSA-L
SMILES	O=S([O-])S(=O)(=O)[O-].[K+].[K+]
Storage condition	Store at +5°C to +30°C.
Water Solubility	H2O: 0.1 M at 20 °C, clear, colorless

potassium metabisulfite MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TT4920000

CHEMICAL NAME :: Potassium pyrosulfite

CAS REGISTRY NUMBER :: 16731-55-8

LAST UPDATED :: 199701

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: O5-S2.K2

MOLECULAR WEIGHT :: 222.32

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 35 gm/kg

SEX/DURATION :: female 49 day(s) pre-mating female 1-21 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

MUTATION DATA

TEST SYSTEM :: Rodent - rat

DOSE/DURATION :: 400 mg/kg

REFERENCE :: JJCREP Japanese Journal of Cancer Research. (Elsevier Science Pub. BV, POB 211, 1000 AE Amsterdam, Netherlands) V.76- 1985- Volume(issue)/page/year: 80,424,1989 *** REVIEWS *** IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 54,131,1992 IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 54,131,1992 IARC Cancer Review:Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 54,131,1992 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82177 No. of Facilities: 1935 (estimated) No. of Industries: 17 No. of Occupations: 13 No. of Employees: 5348 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82177 No. of Facilities: 4265 (estimated) No. of Industries: 34 No. of Occupations: 45 No. of Employees: 33335 (estimated) No. of Female Employees: 10193 (estimated)

Symbol	GHS05
Signal Word	Danger
Hazard Statements	H318
Supplemental HS	Contact with acids liberates toxic gas.
Precautionary Statements	P280-P305 + P351 + P338
Hazard Codes	Xi
Risk Phrases	R31
Safety Phrases	26-36
RIDADR	NONH for all modes of transport
WGK Germany	1
RTECS	TT4920000
HS Code	2832200000

HS Code	2832200000

Spectrophotometric total reducing sugars assay based on cupric reduction.

Talanta 147 , 162-8, (2015)

As the concentration of reducing sugars (RS) is controlled by European legislation for certain specific food and beverages, a simple and sensitive spectrophotometric method for the determination of RS...

Sulfite species enhance carbon monoxide release from CO-releasing molecules: implications for the deoxymyoglobin assay of activity.

Anal. Biochem. 427(1) , 36-40, (2012)

Carbon monoxide-releasing molecules (CO-RMs) emulate the beneficial (e.g., anti-inflammatory) effects of CO in biology. CO release from CO-RMs is routinely determined in the presence of reduced deoxy-...

Improved synthesis of 2,2'-bipyrimidine.

J. Org. Chem. 67(18) , 6550-2, (2002)

A high-yield synthesis was developed for the preparation of 2,2'-bipyrimidine (1) using the Ullmann coupling of 2-iodopyrimidine. The new procedure was also used for the preparation of 4,4',6,6'-tetra...

POTASSIUM M-BISULFITE

Potassium Metabisulfite

POTASSIUM DISULFITE

potassium pyrosuifite

dipotassiumdisulfite

POTASSIUM BISULFITE

EINECS 240-795-3

POTASSIUMPYROSULPHITE

Dikaliumdisulfit

MFCD00167605

POTASSIUM BISULPHITE

Potassium pyrosulfite

POTASSIUM METABISULF

Potassium metabisulfite,Potassium pyrosulfite

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China
Product Name: potassium metabisulfite
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China
Product Name: potassium metabisulfite
Price: ￥88.0/500g
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: potassium metabisulfite
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
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Tianjin Jinhui Taiya Chemical Reagent Co., Ltd
China
Product Name: potassium metabisulfite
Price: ￥Inquiry/25kg
Purity: 95.0%
Delivery: Inquiry
Contact: wenli
Email: 212067071@qq.com

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potassium metabisulfite

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Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

Safety Information

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Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.