Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Purity: 98.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Isothiocyanic acid, (p-cetoxyphenyl) ester
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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6637-40-7

6637-40-7 structure

6637-40-7 structure

Name: Isothiocyanic acid, (p-cetoxyphenyl) ester
Chemical Name: 1-hexadecoxy-4-isothiocyanatobenzene
CAS Number: 6637-40-7
Molecular Formula: C₂₃H₃₇NOS
Molecular Weight: 375.61100
Create Date: 2016-08-03 14:14:02
Modify Date: 2025-08-30 11:00:52

Name	1-hexadecoxy-4-isothiocyanatobenzene
Synonyms	ISOTHIOCYANIC ACID,(p-CETOXYPHENYL) ESTER 4-Hexadecyloxy-phenylisocyanat 4-hexadecyloxy-phenyl isocyanate p-Cetoxyphenylisothiocyanate WLN: SCNR DO16 Benzene,1-(hexadecyloxy)-4-isothiocyanato

Density	0.95g/cm3
Boiling Point	484.3ºC at 760 mmHg
Molecular Formula	C₂₃H₃₇NOS
Molecular Weight	375.61100
Flash Point	246.7ºC
Exact Mass	375.26000
PSA	53.68000
LogP	8.28100
Index of Refraction	1.509

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NX8450000

CHEMICAL NAME :: Isothiocyanic acid, (p-cetoxyphenyl) ester

CAS REGISTRY NUMBER :: 6637-40-7

BEILSTEIN REFERENCE NO. :: 3425268

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C23-H37-N-O-S

MOLECULAR WEIGHT :: 375.67

WISWESSER LINE NOTATION :: SCNR DO16

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 150 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD691-490

HS Code	2930909090

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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