Products Categories
| CAS No.: | 628-51-3 |
|---|---|
| Name: | METHYLENE DIACETATE, 99 |
| Molecular Structure: | |
|
|
|
| Formula: | C5H8O4 |
| Molecular Weight: | 132.116 |
| Synonyms: | Methanediol,diacetate (6CI,7CI,8CI,9CI);Diacetoxymethane;Methylene diacetate;Methyleneglycol diacetate;NSC 57545; |
| EINECS: | 200-258-5 |
| Density: | 1.119 g/mL at 25 °C(lit.) |
| Melting Point: | ?23 °C(lit.) |
| Boiling Point: | 164.5 °C at 760 mmHg |
| Flash Point: | 72.6 °C |
| Hazard Symbols: |
 Xi
|
| PSA: | 52.60000 |
| LogP: | 0.07010 |
- 81281-59-67-Benzylideneaminotheophylline
- 82993-81-5D-threo-Ritalinic acid hydrochloride
- 73441-42-6METHYL-5-CHLORO-2,2-DIMETHYLVALERATE
- 68439-39-4Poly(oxy-1,2-ethanediyl), alpha-(2-ethylhexyl)-omega-hydroxy-,
- 852475-26-4MC1568
- 958254-66-51H-Imidazo[4,5-b]pyridine-2-carboxaldehyde, 1-methyl-, hydrochloride
- 99170-93-1N-Methyl-2-oxazolamine
- 717878-06-31-(4-fluorophenyl)-4-nitro-1H-imidazole
- 914458-26-7[5-(2-fluorophenyl)-1-pentyl-1H-pyrrol-3-yl]-1-naphthalenyl-Methanone
- 894852-01-87-BROMO-2,2-DIMETHYL-2H-PYRIDO[3,2-B][1,4]OXAZIN-3(4H)-ONE
| Conditions | Yield |
|---|---|
| With solid-phase supported silica chloride at 20℃; for 0.166667h; Neat (no solvent); chemoselective reaction; | 90% |
- 75-09-2
dichloromethane
- 143314-17-4
1-ethyl-3-methylimidazolium acetate
A
- 628-51-3
diacetoxymethane
B
- 65039-09-0
1-ethyl-3-methyl-1H-imidazol-3-ium chloride
| Conditions | Yield |
|---|---|
| at 50℃; for 16h; Inert atmosphere; | A 86% B n/a |
- 143314-17-4
1-ethyl-3-methylimidazolium acetate
- 74-95-3
1,1-dibromomethane
A
- 628-51-3
diacetoxymethane
B
- 65039-08-9
3-ethyl-1-methyl-1H-imidazol-3-ium bromide
| Conditions | Yield |
|---|---|
| at 20℃; for 2h; Inert atmosphere; | A 86% B n/a |
- 50-00-0
formaldehyd
- 503-17-3
dimethylacetylene
A
- 628-51-3
diacetoxymethane
B
- 108-24-7
acetic anhydride
C
- 64-19-7
acetic acid
D
- 431-03-8
dimethylglyoxal
| Conditions | Yield |
|---|---|
| With ozone In dichloromethane at -100℃; | A 7% B 71% C 17% D 5% |
| Conditions | Yield |
|---|---|
| With paraformaldehyde In acetic acid | A n/a B 68% |
- 814-78-8
3-Methyl-3-buten-2-one
A
- 628-51-3
diacetoxymethane
B
- 108-24-7
acetic anhydride
C
- 131250-90-3
meso-3-methyl-3-(3-methyl-1,2,4-trioxolan-3-yl)-1,2,4-trioxolane
D
- 64-19-7
acetic acid
| Conditions | Yield |
|---|---|
| With ozone In polyethylene at -75℃; for 3.5h; | A n/a B n/a C 9% D n/a |
- 186581-53-3, 908094-01-9
diazomethane
- 628-51-3
diacetoxymethane
| Conditions | Yield |
|---|---|
| With lead(IV) acetate; benzene |
- 50-00-0
formaldehyd
- 4082-91-1
bis(acetoxymethyl)ether
A
- 628-51-3
diacetoxymethane
B
- 4082-92-2
bis-acetoxymethoxy-methane
C
- 27969-30-8
1,7-diacetoxy-2,4,6-trioxa-heptane
| Conditions | Yield |
|---|---|
| at 140 - 150℃; |
What can I do for you?
Get Best Price
Specification
The Methylene Diacetate is an organic compound with the formula C5H8O4. The IUPAC name of this chemical is Acetyloxymethyl acetate. With the CAS registry number 628-51-3, it is also named as Diacetoxymethane. Besides, its molecular weight is 132.11462.
Physical properties about Methylene Diacetate are: (1)ACD/LogP: -0.308; (2)ACD/LogD (pH 5.5): -0.31; (3)ACD/LogD (pH 7.4): -0.31; (4)ACD/BCF (pH 5.5): 1.00; (5)ACD/BCF (pH 7.4): 1.00; (6)ACD/KOC (pH 5.5): 16.19; (7)ACD/KOC (pH 7.4): 16.19; (8)#H bond acceptors: 4; (9)#Freely Rotating Bonds: 4; (10)Index of Refraction: 1.402; (11)Molar Refractivity: 28.763 cm3; (12)Molar Volume: 118.034 cm3; (13)Polarizability: 11.403 10-24cm3; (14)Surface Tension: 31.9130001068115 dyne/cm; (15)Density: 1.119 g/cm3; (16)Flash Point: 72.624 °C; (17)Enthalpy of Vaporization: 40.102 kJ/mol; (18)Boiling Point: 164.499 °C at 760 mmHg; (19)Vapour Pressure: 1.96099996566772 mmHg at 25°C
Preparation of Methylene Diacetate: This chemical can be prepared by But-2-yne and Formaldehyde. This reaction will need reagent O3 and solvent CH2Cl2. The reaction temperature of -100 °C. The yield is about 7%.
.png)
.png)
.png)
Uses of Methylene Diacetate: It can be used to produce Acetoxy-bromo-methane. It will need reagents ZnCl2; (CH3)3SiBr. The yield is about 81%.
You can still convert the following datas into molecular structure:
(1)InChI=1S/C5H8O4/c1-4(6)8-3-9-5(2)7/h3H2,1-2H3;
(2)InChIKey=BPGDAMSIGCZZLK-UHFFFAOYSA-N;
(3)SmilesC(OCOC(C)=O)(C)=O;
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intravenous | 178mg/kg (178mg/kg) | U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00030, |