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Name |
2-Methyl-2-propanethiol |
EINECS | 200-890-2 |
CAS No. | 75-66-1 | Density | 0.83 g/cm3 |
PSA | 38.80000 | LogP | 1.71470 |
Solubility | Slightly soluble in water | Melting Point |
-1.1 °C |
Formula | C4H10S | Boiling Point | 67 °C at 760 mmHg |
Molecular Weight | 90.1894 | Flash Point | ?12°F |
Transport Information | UN 2347 | Appearance | liquid with an exceedingly unpleasant smell |
Safety | 3-16-26-39-38-36/37 | Risk Codes | 11-41-65-43-36 |
Molecular Structure | Hazard Symbols | F,Xn,Xi | |
Synonyms |
1,1-Dimethylethanethiol;2-Isobutanethiol;2-Methyl-2-propanethiol;TBM;tert-Butanethiol;tert-Butylmercaptan;tert-Butylthiol; |
Article Data | 68 |
Conditions | Yield |
---|---|
With hydrosulfide exchange resin In acetonitrile at 25℃; for 0.25h; | 96% |
Stage #1: t-butyl bromide With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere; Stage #2: With sulfur In tetrahydrofuran; hexane at -78 - 20℃; for 1h; Inert atmosphere; |
Conditions | Yield |
---|---|
With hydrosulfide exchange resin In acetonitrile at 25℃; for 0.25h; | 95% |
With hydrogen sulfide; boron trifluoride | |
With hydrogen sulfide; tin(IV) chloride |
1-chloro-3-phenylpropan-2-one
t-butyl thionitrite
A
C9H8ClNO2
B
2-methylpropan-2-thiol
Conditions | Yield |
---|---|
In diethyl ether at 25℃; for 3h; | A 95% B n/a |
t-butyl thionitrite
1-chlorohexan-2-one
A
C6H10ClNO2
B
2-methylpropan-2-thiol
Conditions | Yield |
---|---|
In diethyl ether at 25℃; for 3h; | A 95% B n/a |
t-butyl thionitrite
1-chloro-3-phenoxyacetone
A
C9H8ClNO3
B
2-methylpropan-2-thiol
Conditions | Yield |
---|---|
In diethyl ether at 25℃; for 3h; | A 95% B n/a |
t-butyl thionitrite
1-chloro-3,3-dimethyl-butan-2-one
A
(1Z)-N-hydroxy-3,3-dimethyl-2-oxobutanimidoyl chloride
B
2-methylpropan-2-thiol
Conditions | Yield |
---|---|
In diethyl ether at 25℃; for 3h; | A 85% B n/a |
t-butyl thionitrite
chloroacetone
A
N-hydroxy-2-oxo-propionimidoyl chloride
B
2-methylpropan-2-thiol
Conditions | Yield |
---|---|
In diethyl ether at 25℃; for 3h; | A 82% B n/a |
Conditions | Yield |
---|---|
With polymer supported thiol; trifluoroacetic anhydride In dichloromethane at 20℃; for 0.25h; | 75% |
With hydrogen sulfide at 180℃; under 6251820 Torr; |
t-butyl thionitrite
1-bromoacetone
A
(Z)-pyruvohydroximoyl bromide
B
2-methylpropan-2-thiol
Conditions | Yield |
---|---|
In diethyl ether at 25℃; for 3h; | A 43% B n/a |
methanol
A
2-methylpropan-2-thiol
B
2-(2,2-dimethoxyethyl)-1H-benzo[d,e]isoquinoline-1,3(2H)-dione
Conditions | Yield |
---|---|
In dichloromethane Irradiation; | A 30% B 34% |
IUPAC Name: 2-Methylpropane-2-thiol
Molecular Formula: C4H10S
Molecular Weight: 202.40g/mol
EINECS: 200-890-2
Density: 0.83 g/cm3
Melting Point: -1 °C
Boiling Point: 67 °C at 760 mmHg
Flash Point: -24 °C
Solubility: slightly soluble
Appearance: clear liquid
Liansport Information: 160kgs
Freely Rotating Bonds: 1
Polar Surface Area: 25.3 Å2
Index of Refraction: 1.436
Molar Refractivity: 28.44 cm3
Molar Volume: 108.6 cm3
Polarizability: 11.27 ×10-24 cm3
Surface Tension: 23.1 dyne/cm
Enthalpy of Vaporization: 28.45 kJ/mol
Vapour Pressure: 160 mmHg at 25°C
Stability: stable,flammable - note low flashpoint ,incompatible with strong oxidizing agents
2-Methyl-2-propanethiol ,its Cas Register Number is 75-66-1.The chemical synonyms of 2-Methyl-2-propanethiol (CAS No.75-66-1) are 1,1-Dimethylethanethiol ; 2-Isobutanethiol ; 2-Methyl-2-propanethio ; 2-Methyl-propane-2-thiol ; Mercaptantert-butyliquebutanethiol(non-specificname) ; Methylpropanethiol(non-specificname) ; Tert-Butyl hydrosulfide ; Tert-Butylthiol .The molecular structure of 2-Methyl-2-propanethiol (CAS No.75-66-1) is .
2-Methyl-2-propanethiol (CAS No.75-66-1) is used as organophosphorus insecticides intermediate.
1. | eye-rbt 84 mg | AIHAAP American Industrial Hygiene Association Journal. 19 (1958),171. | ||
2. | orl-rat LD50:4729 mg/kg | AIHAAP American Industrial Hygiene Association Journal. 19 (1958),171. | ||
3. | ihl-rat LC50:22,200 ppm/4H | AIHAAP American Industrial Hygiene Association Journal. 19 (1958),171. | ||
4. | ipr-rat LD50:590 mg/kg | AIHAAP American Industrial Hygiene Association Journal. 19 (1958),171. |
Reported in EPA TSCA Inventory.
Moderately toxic by intraperitoneal route. Mildly toxic by ingestion. An eye irritant. A very dangerous fire hazard when exposed to heat or flame. Can react vigorously with oxidizing materials. To fight fire, use alcohol foam, dry chemical, mist, fog. When heated to decomposition or on contact with acid or acid fumes it emits highly toxic fumes of SOx. See also MERCAPTANS.
Hazard Codes: F,Xi,Xn
Xn: Harmful
Xi: Irritant
F: Highly Flammable
Risk Statements: 11-41-65-43-36
11: Highly Flammable
41: Risk of serious damage to eyes
43: May cause sensitization by skin contact
36: Irritating to the eyes
65: Harmful: May cause lung damage if swallowed
Safety Statements: 3-16-26-39-38-36/37
38: In case of insufficient ventilation, wear suitable respiratory equipment
39: Wear eye/face protection
16: Keep away from sources of ignition - No smoking
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
3: Keep in a cool place
36/37: Wear suitable protective clothing and gloves
Its extinguishing agent is foam, sand, carbon dioxide, 1211 fire extinguishing agent and water mist.