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| CAS No.: | 630-19-3 |
|---|---|
| Name: | Pivaldehyde |
| Molecular Structure: | |
|
|
|
| Formula: | C5H10O |
| Molecular Weight: | 86.1338 |
| Synonyms: | Pivalaldehyde(7CI,8CI);Pivaldehyde (6CI);2,2-Dimethylpropanal;2,2-Dimethylpropanone;2,2-Dimethylpropionaldehyde;NSC 22043;Neopentaldehyde;Neopentanal;tert-Butylformaldehyde;tert-Pentanal;a,a-Dimethylpropanal;a,a-Dimethylpropionaldehyde; |
| EINECS: | 211-134-6 |
| Density: | 0.794 g/cm3 |
| Melting Point: | 6 °C(lit.) |
| Boiling Point: | 77.5 °C at 760 mmHg |
| Flash Point: | 4 °F |
| Solubility: | Negligible |
| Appearance: | clear slightly yellow liquid |
| Hazard Symbols: |
 F, Xi, F+
|
| Risk Codes: | 11-37/38-43 |
| Safety: | 16-23-33-24 |
| Transport Information: | UN 1989 3/PG 2 |
| PSA: | 17.07000 |
| LogP: | 1.23140 |
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| Conditions | Yield |
|---|---|
| With sodium methylate In tetrahydrofuran at 20℃; for 12h; Product distribution; Further Variations:; Reagents; reaction time; | A n/a B 100% |
| Conditions | Yield |
|---|---|
| In chloroform-d1 at 25℃; for 800h; | A 100% B 100% |
| Conditions | Yield |
|---|---|
| With trioxo(N-tert-butylimido)osmium(VIII) | 100% |
- 75-84-3
2,2-dimethyl-propanol-1
- 728-87-0
4,4'-Dimethoxybenzhydrol
A
- 726-18-1
4,4'-dianisylmethane
B
- 630-19-3
pivalaldehyde
| Conditions | Yield |
|---|---|
| With o-benzenedisulfonimide at 80℃; for 8h; | A 100% B n/a |
| Conditions | Yield |
|---|---|
| Kinetics; inert atm.; thermal decompn. (62°C); | A <2 B 99% |
| Conditions | Yield |
|---|---|
| With thexylchloroborane-Me2SO4 In dichloromethane for 3h; Ambient temperature; | 98% |
| With thexylbromoborane dimethyl sulfide complex In carbon disulfide; dichloromethane at -20 - 20℃; for 1h; | 89% |
| With 9-borabicyclo[3.3.1]nonane dimer; lithium dihydrido borata-bicyclo[3.3.0]nonane In tetrahydrofuran for 1h; Ambient temperature; | 85% |
- 75-84-3
2,2-dimethyl-propanol-1
- 1972-28-7
diethylazodicarboxylate
A
- 4114-28-7
diethyl hydrazodicarboxylate
B
- 630-19-3
pivalaldehyde
| Conditions | Yield |
|---|---|
| With zinc dibromide In toluene for 2.5h; Reflux; | A n/a B 90% |
- 96-17-3, 57456-98-1
2-Methylbutyraldehyde
- 78-79-5
isoprene
A
- 563-80-4
3-methyl-butan-2-one
B
- 513-35-9
2-methyl-but-2-ene
C
- 563-45-1
3-Methyl-1-butene
D
- 630-19-3
pivalaldehyde
| Conditions | Yield |
|---|---|
| With steam; calcium phosphate catalyst TU 103-134-72 at 380℃; Product distribution; Rate constant; Kinetics; other conditions - var. space velocity of adding reagent, var. dilution with steam, var. temp., var. contact time, other object - activation energy data;; | A 8.2% B n/a C n/a D 0.6% E n/a |
- 17198-92-4
<(2-methyl-1-propenyl)oxy>tri-n-butylstannane
- 630-19-3
pivalaldehyde
| Conditions | Yield |
|---|---|
| With methyl iodide for 14 h at 90°C; | 86% |
| With CH3I for 14 h at 90°C; | 86% |
| Conditions | Yield |
|---|---|
| With ammonium hydroxide; formic acid In diethyl ether; chloroform for 0.333333h; Ambient temperature; | 85% |
| With 5%-palladium/activated carbon; hydrogen; N-ethyl-N,N-diisopropylamine In acetonitrile at 20 - 60℃; for 1h; Reagent/catalyst; Solvent; Autoclave; | 73% |
| With tri-n-butyl-tin hydride; PdCl(COPh)(PPh3)2 In toluene at 65℃; | 65% |
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Chemistry
Molecular Structure:
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Molecular Formula: C5H10O
Molecular Weight: 86.1323
IUPAC Name: 2,2-Dimethylpropanal
Synonyms of Propanal, 2,2-dimethyl- (CAS NO.630-19-3): 2,2-Dimethylpropanal ; 2,2-Dimethylpropionaldehyde ; AI3-33229 ; EINECS 211-134-6 ; NSC 22043 ; Neopentanal ; Pivalaldehyde ; Pivalic aldehyde ; Trimethylacetaldehyde ; alpha,alpha-Dimethylpropanal ; alpha,alpha-Dimethylpropionaldehyde
CAS NO: 630-19-3
Classification Code: API intermediates ; Miscellaneous Reagents
Melting point: 6 °C
Index of Refraction: 1.384
Molar Refractivity: 25.36 cm3
Molar Volume: 108.4 cm3
Surface Tension: 22 dyne/cm
Density: 0.794 g/cm3
Flash Point: °C
Enthalpy of Vaporization: 31.85 kJ/mol
Boiling Point: 77.5 °C at 760 mmHg
Vapour Pressure of Propanal, 2,2-dimethyl- (CAS NO.630-19-3): 96.5 mmHg at 25°C
Safety Profile
Hazard Codes of Propanal, 2,2-dimethyl- (CAS NO.630-19-3): 
F,
Xi,
F+
Risk Statements: 11-37/38-43
R11: Highly flammable.
R37/38: Irritating to respiratory system and skin.
R43: May cause sensitization by skin contact.
Safety Statements: 16-23-33-24
S16: Keep away from sources of ignition.
S23: Do not breathe vapour.
S33: Take precautionary measures against static discharges.
S24: Avoid contact with skin.
RIDADR: UN 1989 3/PG 2
WGK Germany: 3
F: 8
HazardClass: 3
PackingGroup: III