Basic information
- Name:
Pentanenitrile,4,4-dimethyl-3-oxo-
- Superlist Name:
- Pivaloylacetonitrile
- CAS No.:
59997-51-2
- Molecular Structure:

- Formula:
- C7H11NO
- Molecular Weight:
- 125.17
- Synonyms:
- Cyanopinacolone;Valeronitrile,4,4-dimethyl-3-oxo- (6CI);4,4-Dimethyl-3-oxopentanenitrile;
- EINECS:
- 262-017-1
- Density:
- 0.929 g/cm3
- Melting Point:
- 66-69 °C(lit.)
- Boiling Point:
- 236 °C at 760 mmHg
- Flash Point:
- 59.5 °C
- Appearance:
- white to cream crystals or crystalline powder
- Hazard Symbols:
T- Risk Codes:
- 25
- Safety Description:
- 36/37/39-45 Details
- Transport Information:
- UN 3439 6.1/PG 3
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Specification
The CAS register number of Pentanenitrile,4,4-dimethyl-3-oxo- is 59997-51-2. It also can be called as 4,4-Dimethyl-3-oxovaleronitrile and the IUPAC name about this chemical is 4,4-dimethyl-3-oxopentanenitrile. The molecular formula about this chemical is C7H11NO and the molecular weight is 125.17. It belongs to the following product categories, such as Building Blocks; Aliphatics; Ketone and so on. If you wan to store this chemical, please keep it in a closed container and store it in a cool, dry place.
Physical properties about Pentanenitrile,4,4-dimethyl-3-oxo- are: (1)ACD/LogP: 0.55; (2)ACD/LogD (pH 5.5): 0.55; (3)ACD/LogD (pH 7.4): 0.55; (4)ACD/BCF (pH 5.5): 1.53; (5)ACD/BCF (pH 7.4): 1.53; (6)ACD/KOC (pH 5.5): 47.26; (7)ACD/KOC (pH 7.4): 47.2; (8)#H bond acceptors: 2; (9)#Freely Rotating Bonds: 2; (10)Polar Surface Area: 40.86Å2; (11)Index of Refraction: 1.424; (12)Molar Refractivity: 34.38 cm3; (13)Molar Volume: 134.6 cm3; (14)Polarizability: 13.63x10-24cm3; (15)Surface Tension: 31.5 dyne/cm; (16)Enthalpy of Vaporization: 47.27 kJ/mol; (17)Boiling Point: 236 °C at 760 mmHg; (18)Vapour Pressure: 0.0486 mmHg at 25°C.
Preparation: this chemical can be prepared by acetonitrile and 2,2-dimethyl-propionic acid methyl ester. This reaction will need reagent bromobenzene at ambient temperature//electrolysis. The yield is about 60%.

Uses of Pentanenitrile,4,4-dimethyl-3-oxo-: it can be used to produce 3-tert-butyl-isoxazol-5-ylamine. This reaction will need reagent sodium acetate, acetic acid and NH2OH+HCl.

When you are using this chemical, please be cautious about it as the following:
This chemical is toxic if swallowed. When you are using it, wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
You can still convert the following datas into molecular structure:
(1)SMILES: N#CCC(=O)C(C)(C)C
(2)InChI: InChI=1/C7H11NO/c1-7(2,3)6(9)4-5-8/h4H2,1-3H3
(3)InChIKey: MXZMACXOMZKYHJ-UHFFFAOYAF
(4)Std. InChI: InChI=1S/C7H11NO/c1-7(2,3)6(9)4-5-8/h4H2,1-3H3
(5)Std. InChIKey: MXZMACXOMZKYHJ-UHFFFAOYSA-N
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LD50 | skin | > 1gm/kg (1000mg/kg) | National Technical Information Service. Vol. OTS0555393, | |
| rat | LD50 | oral | 283mg/kg (283mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: TREMOR BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | National Technical Information Service. Vol. OTS0555393, |

