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Cas Database |
| Name |
2-Chloro-2-methylpropane |
EINECS | 208-066-4 |
| CAS No. | 507-20-0 | Density | 0.873 g/cm3 |
| PSA | 0.00000 | LogP | 2.02370 |
| Solubility | slightly soluble in water | Melting Point |
-25 °C |
| Formula | C4H9Cl | Boiling Point | 50.6 °C at 760 mmHg |
| Molecular Weight | 92.5685 | Flash Point | 18.3 °C |
| Transport Information | UN 1127 3/PG 2 | Appearance | colourless liquid |
| Safety | 16-29-33-7/9-9 | Risk Codes | 11 |
| Molecular Structure |
|
Hazard Symbols |
 F
|
| Synonyms |
2-Chloroisobutane;2-Methyl-2-chloropropane;2-Methyl-2-propyl chloride;Trimethylchloromethane;tert-Butylchloride; |
Article Data | 272 |
2-Chloro-2-methylpropane Synthetic route
| Conditions | Yield |
|---|---|
| With bismuth(III) chloride In tetrachloromethane at 25℃; for 0.0833333h; | 100% |
| With phenylphosphorus tetrachloride In chloroform at 50℃; for 12h; | 97% |
| With acetic acid; calcium chloride at 55℃; for 8h; Reagent/catalyst; Temperature; | 96.2% |
| Conditions | Yield |
|---|---|
| In chloroform-d1 at 100℃; for 4h; Sealed tube; Inert atmosphere; | A 93% B 100% |
- 3282-30-2
pivaloyl chloride
A
- 507-20-0
tertiary butyl chloride
B
- 34188-78-8
1-chloro-2,2-dimethylcyclopropane
| Conditions | Yield |
|---|---|
| With pyrographite at -196.16℃; under 1E-05 - 0.0001 Torr; | A 95% B 5% |
| Conditions | Yield |
|---|---|
| In chloroform-d1 at 120℃; for 0.5h; | A 92% B 76% C 13% |
| Conditions | Yield |
|---|---|
| With thionyl chloride In dichloromethane for 1h; Heating; | A 92% B 75% |
| With thionyl chloride In dichloromethane for 1h; Mechanism; Product distribution; Heating; | A 92% B 75% |
| Conditions | Yield |
|---|---|
| With tin(IV) chloride for 3h; | 85% |
| With chloride at 30.9℃; under 760 Torr; Thermodynamic data; Equilibrium constant; ΔH0; | |
| With bismuth(III) chloride In 1,2-dichloro-ethane at 25℃; for 0.833333h; Yield given; |
- 3282-30-2
pivaloyl chloride
A
- 66832-24-4
2-<(trichloromethyl)thio>pyridine
B
- 507-20-0
tertiary butyl chloride
| Conditions | Yield |
|---|---|
| With tetrachloromethane; 2-mercaptopyridine-1-oxide sodium salt; dmap at 76℃; for 2h; | A n/a B 82% |
- 75-36-5
acetyl chloride
- 75-65-0
tert-butyl alcohol
A
- 540-88-5
acetic acid tert-butyl ester
B
- 507-20-0
tertiary butyl chloride
| Conditions | Yield |
|---|---|
| In dichloromethane 1.) 0 deg C, 2.) room temperature, 1 h; Yield given; | A n/a B 81% |
| In dichloromethane for 1h; Rate constant; Mechanism; Ambient temperature; further solvents and times; further alcohols; |
| Conditions | Yield |
|---|---|
| With acetyl chloride In dichloromethane for 1h; 0 deg C -> room temperature; Yields of byproduct given; | A n/a B 81% |
| Conditions | Yield |
|---|---|
| With dichloromethane; antimony pentafluoride 1.) -78 deg C, 2 h, 2.) RT, 24 h; | 76% |
| at -15℃; Photochlorierung; | |
| at 54℃; bei der photochemischen Chlorierung; | |
| at 450 - 500℃; bei der thermischen Chlorierung; |
2-Chloro-2-methylpropane Chemical Properties
Molecular structure of Propane, 2-chloro-2-methyl- (CAS NO.507-20-0) is:
Product Name: Propane, 2-chloro-2-methyl-
CAS Registry Number: 507-20-0
IUPAC Name: 2-Chloro-2-methylpropane
Molecular Weight: 92.56726 [g/mol]
Molecular Formula: C4H9Cl
XLogP3-AA: 1.8
EINECS: 208-066-4
Melting Point: -25 °C
Surface Tension: 20.2 dyne/cm
Density: 0.873 g/cm3
Flash Point: 18.3 °C
Enthalpy of Vaporization: 27.55 kJ/mol
Boiling Point: 50.6 °C at 760 mmHg
Vapour Pressure: 299 mmHg at 25°C
Refractive index: n20/D 1.385(lit.)
Storage temp.: Flammables area
Water Solubility: Slightly soluble
Stability: Stable. Extremely flammable. Note low flash point. Incompatible with strong oxidizing agents. Vapour, being much denser than air, may travel considerable distances to a source of ignition. Hygroscopic.
Product Categories: Organics; Chloro alkane compounds
2-Chloro-2-methylpropane Consensus Reports
Reported in EPA TSCA Inventory.
2-Chloro-2-methylpropane Safety Profile
Safty information about Propane, 2-chloro-2-methyl- (CAS NO.507-20-0) is:
Questionable carcinogen with experimental neoplastigenic data. Dangerous fire hazard when exposed to heat, flame (sparks), and oxidizers. To fight fire, use water, spray, fog, alcohol foam, dry chemical. When heated to decomposition it emits toxic fumes of Cl−. See also CHLORINATED HYDROCARBONS, ALIPHATIC.
Hazard Codes: 
F
Risk Statements: 11
R11:Highly flammable.
Safety Statements: 16-29-33-7/9-9
S16:Keep away from sources of ignition.
S29:Do not empty into drains.
S33:Take precautionary measures against static discharges.
S7/9:Keep container tightly closed and in a well-ventilated place.
S9:Keep container in a well-ventilated place.
RIDADR: UN 1127 3/PG 2
WGK Germany: 1
RTECS: TX5040000
HazardClass: 3
PackingGroup: II
HS Code: 29031980
2-Chloro-2-methylpropane Specification
Propane, 2-chloro-2-methyl- , its cas register number is 507-20-0. It also can be called 2-Chloro-2-methylpropane ; 2-Chloroisobutane ; 2-Methyl-2-chloropropane ; 2-Methyl-2-propyl chloride ; 4-01-00-00288 (Beilstein Handbook Reference) ; AI3-30754 ; BRN 1730872 ; Chlorotrimethylmethane ; NSC 6527 ; Trimethylchloromethane ; tert-Butyl chloride ; tert-Butylchloride . It is a colourless liquid. When it is dissolved in water, a polar and protic solvent, the bulky chloride substituent is carried away by it, and isolated from the aliphatic chain, causing an heterolitic rupture of the compound, giving rise to a carbocation which eventually becomes a tertiary alcohol after a water molecule reacts with it, releasing hydrochloric acid as the final product.
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