Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4'-Methoxyacetanilide
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4'-Methoxyacetanilide
Price: ￥236.0/25g ￥66.0/5g ￥906.0/100g
Purity: 98.0%
Stocking Period: 1 Day
Contact: Liu jia
Email: 2130147988@qq.com

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

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: 2025-08-26 10:12:34

Name	N-(4-Methoxyphenyl)acetamide
Synonyms	Acetamide, N-(4-methoxyphenyl)- methyl ether of paracetamol 4-(Acetylamino)anisole p-Acetanisidine N-Ac-4-methoxyaniline acetaniside 4'-Methoxyacetanilide MFCD00014963 2-methoxy-5-acetylamino-benzene 4-Acetaniside 4-acetylamino-anisole N-(4-Methoxyphenyl)acetamide Metacetin P-ACETANISIDIDE AURORA KA-3672 EINECS 200-114-2 METHACETIN 4-ACETANISIDINE Acetanilide, 4'-methoxy- N-(p-Methoxyphenyl)acetamide p-acetaniside 4-ACETANISIDIDE para-methoxyacetanilide

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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