Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Methoxyacetanilide
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 4'-Methoxyacetanilide
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

51-66-1

51-66-1 structure

51-66-1 structure

Name: 4'-Methoxyacetanilide
Chemical Name: N-(4-Methoxyphenyl)acetamide
CAS Number: 51-66-1
Molecular Formula: C₉H₁₁NO₂
Molecular Weight: 165.189
Catalog: Chemical reagent Organic reagent Amide
Create Date: 2018-09-18 16:49:44
Modify Date: 2026-07-12 16:40:36

Name	N-(4-Methoxyphenyl)acetamide
Synonyms	4-Methoxy acetanlide Acetanilide, 4'-methoxy 4-(Acetylamino)anisole p-Acetanisidine N-Ac-4-methoxyaniline 4-ACETAMIDOANISOLE n-(4-methoxyphenyl)-acetamid N-Acetyl-p-methoxyaniline ｐ-Acetanisidide165.19 2-methoxy-5-acetylamino-benzene Aceto-p-anisidine ethanamide,N-(4-methoxyphenyl) N-(4-methoxyphenyl)ethanamide N-ACETYL-P-ANISIDINE Acetanilide, 4-methoxy Metacetin Hydrocortisone-d3(Cortisol-d3) 4’-methoxy-acetanilid 4-METHOXYACETANILIDE P-ACETANISIDIDE AURORA KA-3672 p-Acetanasidine~N-(Methoxyphenyl)acetamide p-Acetoanisidide METHACETIN p-Acetanasidine Methoxyphenyl)acetamide p-Acetanisidide > 4-METHOXYACETANILIDE / P-ACETANASIDINE N-(4-Methoxyphenyl) 4-ACETANISIDIDE 4-Acetamidophenolmethylether para-methoxyacetanilide Aceto-p-anisidide methyl ether of paracetamol acetaniside Acet-p-anisidin MFCD00014963 p-Acetanisidide 4-Acetaniside 4-acetylamino-anisole n-(methoxyphenyl)acetamide P-ACETANISIDINE Acetamide,N-(4-methoxyphenyl) p-Acetamidoanisole TIANFU-CHEM CAS NO.-1 N-(4-Methoxyphenyl)acetamide p-acetylanisidine 4'-METHOXYACETANILIDE EINECS 200-114-2 MethacetinN-(4 4-ACETANISIDINE P-METHOXYACETANILIDE LABOTEST-BB LT00053555 N-(p-Methoxyphenyl)acetamide p-acetaniside N-(4-METHOXYPHENYL)ACETAMIDE Acetamide, N-(4-methoxyphenyl) PA-ACETANISIDIDE ACETYL-P-ANISIDINE

Density	1.1±0.1 g/cm3
Boiling Point	345.5±25.0 °C at 760 mmHg
Melting Point	128-130 °C(lit.)
Molecular Formula	C₉H₁₁NO₂
Molecular Weight	165.189
Flash Point	162.8±23.2 °C
Exact Mass	165.078979
PSA	38.33000
LogP	1.09
Vapour Pressure	0.0±0.8 mmHg at 25°C
Index of Refraction	1.558
Water Solubility	0.42 g/100 mL (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: AE8290000

CHEMICAL NAME :: p-Acetanisidide

CAS REGISTRY NUMBER :: 51-66-1

BEILSTEIN REFERENCE NO. :: 0387887

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C9-H11-N-O2

MOLECULAR WEIGHT :: 165.21

WISWESSER LINE NOTATION :: 1VMR DO1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1190 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 19,20,1971

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 3 gm/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Nutritional and Gross Metabolic - body temperature increase

REFERENCE :: XPHBAO U.S. Public Health Service, Public Health Bulletin. (Washington, DC) Volume(issue)/page/year: 271,71,1941

Hazard Codes	Xi:Irritant;
Risk Phrases	R36/38
Safety Phrases	S36-S37/39-S26
WGK Germany	1
RTECS	AE8290000
HS Code	2924299090

Precursor 10
100-06-1 2475-92-5 104-94-9 64-19-7
108-24-7 75-36-5 60-35-5 696-62-8
623-12-1 3899-91-0
DownStream 10
106501-75-1 37052-78-1 53-86-1 580-16-5
5263-87-6 577-72-0 50-80-6 5804-73-9
59557-92-5 50651-39-3

HS Code	2924299090
Summary	2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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