Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4H-1-Benzothiopyran-4-one,2,3-dihydro-, oxime
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4H-1-Benzothiopyran-4-one,2,3-dihydro-, oxime
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

15857-68-8

15857-68-8 structure

15857-68-8 structure

Name: 4H-1-Benzothiopyran-4-one,2,3-dihydro-, oxime
Chemical Name: N-(2,3-dihydrothiochromen-4-ylidene)hydroxylamine
CAS Number: 15857-68-8
Molecular Formula: C₉H₉NOS
Molecular Weight: 179.23900
Create Date: 2018-06-27 14:18:35
Modify Date: 2025-08-25 19:14:44

Name	N-(2,3-dihydrothiochromen-4-ylidene)hydroxylamine
Synonyms	2,3-Dihydro-4H-1-benzothiopyran-4-one oxime Thiochroman-4-one,oxime EINECS 239-979-6 1-Thiochrome,oxime Thiachromanon-4-oxim Thiochroman-4-on-oxim

Density	1.30±0.1 g/cm3(Predicted)
Boiling Point	344.3±22.0 °C(Predicted)
Melting Point	98-100 °C
Molecular Formula	C₉H₉NOS
Molecular Weight	179.23900
Exact Mass	179.04000
PSA	57.89000
LogP	2.36070
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XK6350000

CHEMICAL NAME :: Thiochroman-4-one, oxime

CAS REGISTRY NUMBER :: 15857-68-8

BEILSTEIN REFERENCE NO. :: 0140955

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C9-H9-N-O-S

MOLECULAR WEIGHT :: 179.25

WISWESSER LINE NOTATION :: T66 BS EYT&J EUNQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#05725

HS Code	2932999099

Precursor 0
DownStream 3
40358-33-6 93192-72-4 58121-91-8

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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