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| CAS No.: | 79-39-0 |
|---|---|
| Name: | 2-Methylacrylamide |
| Article Data: | 54 |
| Molecular Structure: | |
|
|
|
| Formula: | C4H7NO |
| Molecular Weight: | 85.1057 |
| Synonyms: | Methacrylamide(8CI);2-Methyl-2-propenamide;2-Methylacrylamide;2-Methylpropenamide;Methacrylic acid amide;Methacrylic amide;NSC 23772;NSC 24147; |
| EINECS: | 201-202-3 |
| Density: | 0.942 g/cm3 |
| Melting Point: | 108 °C |
| Boiling Point: | 211.5 °C at 760 mmHg |
| Flash Point: | 81.7 °C |
| Solubility: | water: 202 g/L (20 °C) |
| Appearance: | white to very slightly yellow crystals |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22-36/37/38 |
| Safety: | 26-36/37 |
| PSA: | 43.09000 |
| LogP: | 0.74810 |
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| Conditions | Yield |
|---|---|
| With C29H46NiOP2; water In isopropyl alcohol at 80℃; for 6h; Reagent/catalyst; Sealed tube; | 100% |
| With (η6-p-cymene)RuCl2(κ1-P-PPh2OH); water In ethanol at 80℃; Inert atmosphere; Sealed tube; | 99% |
| With water; tricyclohexylphosphine; {Rh(OMe)(cod)}2 In isopropyl alcohol at 25℃; for 24h; | 96% |
| Conditions | Yield |
|---|---|
| With ammonia at 0 - 5℃; for 1h; Green chemistry; | 85% |
| Conditions | Yield |
|---|---|
| With ammonia for 288h; | 54% |
| Conditions | Yield |
|---|---|
| With potassium phosphate buffer at 30℃; for 0.5h; Rhodococcus sp. AJ270 cells; | A 44.5% B 43.4% |
| Conditions | Yield |
|---|---|
| With diphenyl-phosphinic acid; triethylamine In THF-n-hexane; chloroform; N,N-dimethyl-formamide | 35% |
| Conditions | Yield |
|---|---|
| Stage #1: but-3-enenitrile With rhodium(III) chloride; borane-THF In tetrahydrofuran at 20℃; for 0.25h; Stage #2: With sodium hydroxide; dihydrogen peroxide In tetrahydrofuran at 0℃; for 4h; |
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A
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2-methyl-2-sulphatopropionamide
B
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2-hydroxyisobutyramide
C
- 79-39-0
Methacrylamide
| Conditions | Yield |
|---|---|
| With sulfuric acid at 85 - 101℃; for 0.666667h; Product distribution / selectivity; CSTR reactor; | |
| With sulfuric acid; 10H-phenothiazine In acetone at 79 - 101℃; for 1.83333h; Product distribution / selectivity; Continuous process; |
| Conditions | Yield |
|---|---|
| With nitric acid In water |
| Conditions | Yield |
|---|---|
| With ammonium cerium (IV) nitrate at 20℃; for 0.333333h; |
- 96-96-8
4-methoxy-2-nitroaniline
B
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ethyl isopropyl ketone
C
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n-hexan-3-one
D
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but-3-enamide
E
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(2E,4Z)-3-methoxyhexa-2,4-dienedinitrile
F
- 64-19-7
acetic acid
G
- 372-09-8
cyanoacetic acid
H
- 79-06-1
2-propenamide
I
- 79-39-0
Methacrylamide
J
- 627-48-5
ethyl cyanate
| Conditions | Yield |
|---|---|
| With ferrous(II) sulfate heptahydrate; dihydrogen peroxide at 25℃; for 0.0833333h; pH=6.12; Kinetics; pH-value; |
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Consensus Reports
Specification
The Methacrylic acid amide is an organic compound with the formula C4H7NO. The IUPAC name of this chemical is 2-methylprop-2-enamide. With the CAS registry number 79-39-0, it is also named as 2-propenamide, 2-methyl-. The product's categories are Acrylamide and Methacrylamide; Acrylic Monomers; Monomers; Amides; Carbonyl Compounds; Organic Building Blocks. Besides, it is a white to very slightly yellow crystal, which should be stored in a dark and cool place. It is the intermediate of methyl methacrylate.
Physical properties about Methacrylic acid amide are: (1)ACD/LogP: -0.23; (2)ACD/LogD (pH 5.5): -0.23; (3)ACD/LogD (pH 7.4): -0.23; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 17.91; (7)ACD/KOC (pH 7.4): 17.91; (8)#H bond acceptors: 2; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 1; (11)Polar Surface Area: 20.31 Å2; (12)Index of Refraction: 1.438; (13)Molar Refractivity: 23.71 cm3; (14)Molar Volume: 90.2 cm3; (15)Polarizability: 9.4×10-24cm3; (16)Surface Tension: 29.6 dyne/cm; (17)Density: 0.942 g/cm3; (18)Flash Point: 81.7 °C; (19)Enthalpy of Vaporization: 44.78 kJ/mol; (20)Boiling Point: 211.5 °C at 760 mmHg; (21)Vapour Pressure: 0.182 mmHg at 25°C.
Uses of Methacrylic acid amide: it can be used to produce N-(2-methyl-acryloyl)-3-oxo-butyramide at temperature of 50 °C. It will need reagent chlorotrimethylsilane, lithium bromide and solvent acetonitrile with reaction time of 3 hours. The yield is about 82%.
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When you are using this chemical, please be cautious about it as the following:
It is harmful if swallowed. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Besides, this chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing and gloves.
You can still convert the following datas into molecular structure:
(1)SMILES: O=C(\C(=C)C)N
(2)InChI: InChI=1/C4H7NO/c1-3(2)4(5)6/h1H2,2H3,(H2,5,6)
(3)InChIKey: FQPSGWSUVKBHSU-UHFFFAOYAG
(4)Std. InChI: InChI=1S/C4H7NO/c1-3(2)4(5)6/h1H2,2H3,(H2,5,6)
(5)Std. InChIKey: FQPSGWSUVKBHSU-UHFFFAOYSA-N
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| man | TCLo | inhalation | 3mg/m3 (3mg/m3) | BRAIN AND COVERINGS: OTHER DEGENERATIVE CHANGES LIVER: OTHER CHANGES KIDNEY, URETER, AND BLADDER: OTHER CHANGES | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 45(10), Pg. 74, 1980. |
| mouse | LD50 | intraperitoneal | 200mg/kg (200mg/kg) | National Technical Information Service. Vol. AD277-689, | |
| mouse | LD50 | oral | 451mg/kg (451mg/kg) | Archives of Toxicology. Vol. 47, Pg. 179, 1981. | |
| mouse | LD50 | skin | > 6gm/kg (6000mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 45(10), Pg. 74, 1980. | |
| rat | LD50 | oral | 459mg/kg (459mg/kg) | BRAIN AND COVERINGS: OTHER DEGENERATIVE CHANGES LIVER: OTHER CHANGES KIDNEY, URETER, AND BLADDER: OTHER CHANGES | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 45(10), Pg. 74, 1980. |
| rat | LD50 | skin | > 6gm/kg (6000mg/kg) | Gigiena i Sanitariya. For English translation |