Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Diethylsulfit
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Diethylsulfit
Price: ￥178.0/25g ￥568.0/100g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Diethyl sulfite
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

623-81-4

623-81-4 structure

623-81-4 structure

Name: Diethylsulfit
Chemical Name: Diethyl Sulfite
CAS Number: 623-81-4
Molecular Formula: C₄H₁₀O₃S
Molecular Weight: 138.185
Catalog: Organic raw materials Inorganic acid ester
Create Date: 2018-08-09 09:33:31
Modify Date: 2025-08-23 20:49:31

Name	Diethyl Sulfite
Synonyms	EINECS 210-815-5 Sulfite de diéthyle Sulfurous acid, diethyl ester Diethylsulfite Diethylsulfit MFCD00009098 Diethyl sulfite

Density	1.2±0.1 g/cm3
Boiling Point	156.6±9.0 °C at 760 mmHg
Molecular Formula	C₄H₁₀O₃S
Molecular Weight	138.185
Flash Point	53.9±0.0 °C
Exact Mass	138.035065
PSA	54.74000
LogP	0.63
Vapour Pressure	3.7±0.3 mmHg at 25°C
Index of Refraction	1.476
Storage condition	Flammables area

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WT3511000

CHEMICAL NAME :: Sulfurous acid, diethyl ester

CAS REGISTRY NUMBER :: 623-81-4

BEILSTEIN REFERENCE NO. :: 1701906

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C4-H10-O3-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LC - Lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2700 mg/m3/10M

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NDRC** National Defense Research Committee, Office of Scientific Research and Development, Progress Report. Volume(issue)/page/year: NDCrc-132,APR1942

Symbol	GHS02, GHS07
Signal Word	Warning
Hazard Statements	H226-H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Hazard Codes	Xi:Irritant;
Risk Phrases	R10;R36/37/38
Safety Phrases	S26-S36-S24/25-S16
RIDADR	UN 1993 3/PG 3
WGK Germany	3
RTECS	WT3511000
Packaging Group	III
Hazard Class	3.2
HS Code	29209085

Precursor 0
DownStream 9
6378-11-6 7719-09-7 75-00-3 60-29-7
594-45-6 1912-30-7 64-17-5 7783-06-4
7553-56-2

HS Code	2920909090
Summary	2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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