Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Prynachlor
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Purity: 98.0%
Stocking Period: 10 Day
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: PRYNACHLOR
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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Contact: Ms Wang
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21267-72-1

21267-72-1 structure

21267-72-1 structure

Name: prynachlor
Chemical Name: prynachlor
CAS Number: 21267-72-1
Molecular Formula: C₁₂H₁₂ClNO
Molecular Weight: 221.68300
Create Date: 2018-04-27 08:00:00
Modify Date: 2025-08-25 18:37:22

Name	prynachlor
Synonyms	Basamaize 2-chloro-N-(1-methyl-2-propyn-1-yl)-N-phenylacetamide (RS)-2-chloro-N-(1-methylprop-2-ynyl)acetanilide EINECS 244-304-3 Butisan Caswell No. 714BB BAS-290-H Prynachlor N-but-3-yn-2-yl-2-chloro-N-phenylacetamide BAS 2900H Chloretin rac-N-[(2R)-but-3-yn-2-yl]-2-chloro-N-phenylacetamide Butisane Prynachlore BAS 2903H

Density	1.191g/cm3
Boiling Point	311.3ºC at 760 mmHg
Molecular Formula	C₁₂H₁₂ClNO
Molecular Weight	221.68300
Flash Point	142.1ºC
Exact Mass	221.06100
PSA	20.31000
LogP	2.28010
Vapour Pressure	0.000568mmHg at 25°C
Index of Refraction	1.578

CHEMICAL IDENTIFICATION

RTECS NUMBER :: AE1140000

CHEMICAL NAME :: Acetanilide, 2-chloro-N-(3-butynyl)-

CAS REGISTRY NUMBER :: 21267-72-1

LAST UPDATED :: 199612

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C12-H12-Cl-N-O

MOLECULAR WEIGHT :: 221.70

WISWESSER LINE NOTATION :: G1VNR&3UU1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1170 mg/kg

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

REFERENCE :: GUCHAZ Guide to the Chemicals Used in Crop Protection. (Information Canada, 171 Slater St., Ottawa, Ont., Canada) Volume(issue)/page/year: 6,440,1973

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 150 mg/kg

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

REFERENCE :: GUCHAZ Guide to the Chemicals Used in Crop Protection. (Information Canada, 171 Slater St., Ottawa, Ont., Canada) Volume(issue)/page/year: 6,440,1973

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 1926 mg/kg

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

REFERENCE :: GUCHAZ Guide to the Chemicals Used in Crop Protection. (Information Canada, 171 Slater St., Ottawa, Ont., Canada) Volume(issue)/page/year: 6,440,1973

HS Code	2924299031

HS Code	2924299031
Summary	2924299031 n-((4-chlorophenyl)carbamoyl)-2,6-difluorobenzamide。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0%

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