Products Categories
| CAS No.: | 79-74-3 |
|---|---|
| Name: | 2,5-Di(tert-amyl)hydroquinone |
| Molecular Structure: | |
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|
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| Formula: | C16H26 O2 |
| Molecular Weight: | 250.381 |
| Synonyms: | Hydroquinone,2,5-di-tert-pentyl- (6CI,7CI,8CI); 2,5-Bis(1,1-dimethylpropyl)-1,4-benzenediol;2,5-Bis(1,1-dimethylpropyl)hydroquinone;2,5-Di(tert-amyl)-1,4-benzohydroquinone; 2,5-Di(tert-amyl)hydroquinone;2,5-Di-t-amylhydroquinone; 2,5-Di-tert-amylhydroquinone;2,5-Di-tert-pentylhydroquinone; AH 25; Antage DAH; DAH; DAHQ; DTAHQ; Lowinox AH25; NSC 455; NSC 6267; Santovar A; Santovar TAHQ |
| EINECS: | 201-222-2 |
| Density: | 0.99 g/cm3 |
| Melting Point: | 179 °C |
| Boiling Point: | 364.8 °C at 760 mmHg |
| Flash Point: | 162.7 °C |
| Solubility: | 200ng/L at 20℃ |
| Appearance: | White powder |
| Safety: | Poison by intraperitoneal route. Low toxicity by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes. |
| PSA: | 40.46000 |
| LogP: | 4.47300 |
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- 90221-55-92-bromo-5-methylbenzaldehyde
- 885590-99-82,3-DIFLUORO-4-IODOBENZALDEHYDE
- 97730-31-9(S)-4'-(2-Methylbutyl)Biphenyl-4-Carbonitrile
| Conditions | Yield |
|---|---|
| methanesulfonic acid In toluene at 55 - 70℃; for 7h; Product distribution / selectivity; | 90% |
| toluene-4-sulfonic acid In toluene at 85 - 110℃; for 4.5 - 7.5h; Product distribution / selectivity; |
| Conditions | Yield |
|---|---|
| With sulfuric acid; acetic acid at 20℃; for 7h; | 78% |
| With sulfuric acid | |
| methanesulfonic acid In toluene at 88 - 110℃; for 8.5h; Product distribution / selectivity; |
| Conditions | Yield |
|---|---|
| With acetic acid man gibt dann Amylen zu; |
- 513-35-9
2-methyl-but-2-ene
- 7664-93-9
sulfuric acid
- 64-19-7
acetic acid
- 123-31-9
hydroquinone
- 79-74-3
2,5-di(tert-amyl)-1,4-hydroquinone
| Conditions | Yield |
|---|---|
| With ethanol; zinc(II) chloride |
- 4584-63-8
2,5-bis-(1,1-dimethylpropyl)-1,4-benzoquinone
- 64-19-7
acetic acid
- 79-74-3
2,5-di(tert-amyl)-1,4-hydroquinone
- 64-17-5
ethanol
- 90-05-1
2-methoxy-phenol
A
- 1020-31-1
3,5-Di-tert-butylcatechol
B
- 128-39-2
2,6-di-tert-butylphenol
C
- 2934-05-6
2,4-diisopropylphenol
D
- 2078-54-8
2,6-diisopropylphenol
E
- 2934-07-8
2,4,6-triisopropylphenol
F
- 4130-42-1
2,6-di-tert-butyl-4-ethylphenol
G
- 2444-28-2
2,6-di-tert-butyl-4-hydroxyphenol
H
- 87-97-8
2,6-di-tert-butyl-4-methoxymethylene-phenol
I
- 1138-52-9
3,5-Di-tert-butylphenol
J
- 1879-09-0
2,4-dimethyl-6-tert-butylphenol
K
- 52417-48-8
2-(2',5'-dimethoxyphenyl)propionaldehyde
L
- 17540-75-9
2,6-di-tert-butyl-4-sec-butylphenol
M
- 2050-46-6
1,2-diethoxybenzene
N
- 21112-37-8
1,4-dimethoxy-2-tert-butylbenzene
O
- 5076-72-2
1-ethoxy-4-methoxybenzene
P
- 79-74-3
2,5-di(tert-amyl)-1,4-hydroquinone
Q
- 120-95-6
2,4-di-tert-amylphenol
R
- 876-20-0
2,5-diethyl phenol
S
- 33963-27-8
4-ethoxy-3-methoxytoluene
T
- 59056-76-7
1,2-dimethoxy-4-butylbenzene
U
- 131358-04-8
1,2-diethoxy-4-ethyl-benzene
V
- 1620-98-0
3,5-di-t-butyl-4-hydroxybenzaldehyde
| Conditions | Yield |
|---|---|
| With ortho-tungstic acid at 300℃; for 6h; Autoclave; |
- 64-17-5
ethanol
- 90-05-1
2-methoxy-phenol
A
- 94-71-3
2-Ethoxyphenol
B
- 1020-31-1
3,5-Di-tert-butylcatechol
C
- 2934-05-6
2,4-diisopropylphenol
D
- 2078-54-8
2,6-diisopropylphenol
E
- 2934-07-8
2,4,6-triisopropylphenol
F
- 4130-42-1
2,6-di-tert-butyl-4-ethylphenol
G
- 2444-28-2
2,6-di-tert-butyl-4-hydroxyphenol
H
- 87-97-8
2,6-di-tert-butyl-4-methoxymethylene-phenol
I
- 1138-52-9
3,5-Di-tert-butylphenol
J
- 1879-09-0
2,4-dimethyl-6-tert-butylphenol
K
- 52417-48-8
2-(2',5'-dimethoxyphenyl)propionaldehyde
L
- 17540-75-9
2,6-di-tert-butyl-4-sec-butylphenol
M
- 2050-46-6
1,2-diethoxybenzene
N
- 21112-37-8
1,4-dimethoxy-2-tert-butylbenzene
O
- 5076-72-2
1-ethoxy-4-methoxybenzene
P
- 79-74-3
2,5-di(tert-amyl)-1,4-hydroquinone
Q
- 120-95-6
2,4-di-tert-amylphenol
R
- 876-20-0
2,5-diethyl phenol
S
- 33963-27-8
4-ethoxy-3-methoxytoluene
T
- 59056-76-7
1,2-dimethoxy-4-butylbenzene
U
- 131358-04-8
1,2-diethoxy-4-ethyl-benzene
V
- 1620-98-0
3,5-di-t-butyl-4-hydroxybenzaldehyde
| Conditions | Yield |
|---|---|
| With tungsten(VI) oxide at 300℃; for 6h; Reagent/catalyst; Autoclave; |
- 64-17-5
ethanol
- 120-80-9
benzene-1,2-diol
A
- 1020-31-1
3,5-Di-tert-butylcatechol
B
- 128-39-2
2,6-di-tert-butylphenol
C
- 2934-05-6
2,4-diisopropylphenol
D
- 2078-54-8
2,6-diisopropylphenol
E
- 2934-07-8
2,4,6-triisopropylphenol
F
- 4130-42-1
2,6-di-tert-butyl-4-ethylphenol
G
- 2444-28-2
2,6-di-tert-butyl-4-hydroxyphenol
H
- 87-97-8
2,6-di-tert-butyl-4-methoxymethylene-phenol
I
- 1138-52-9
3,5-Di-tert-butylphenol
J
- 1879-09-0
2,4-dimethyl-6-tert-butylphenol
K
- 52417-48-8
2-(2',5'-dimethoxyphenyl)propionaldehyde
L
- 17540-75-9
2,6-di-tert-butyl-4-sec-butylphenol
M
- 2050-46-6
1,2-diethoxybenzene
N
- 21112-37-8
1,4-dimethoxy-2-tert-butylbenzene
O
- 5076-72-2
1-ethoxy-4-methoxybenzene
P
- 79-74-3
2,5-di(tert-amyl)-1,4-hydroquinone
Q
- 120-95-6
2,4-di-tert-amylphenol
R
- 876-20-0
2,5-diethyl phenol
S
- 33963-27-8
4-ethoxy-3-methoxytoluene
T
- 59056-76-7
1,2-dimethoxy-4-butylbenzene
U
- 131358-04-8
1,2-diethoxy-4-ethyl-benzene
V
- 1620-98-0
3,5-di-t-butyl-4-hydroxybenzaldehyde
| Conditions | Yield |
|---|---|
| With ortho-tungstic acid at 300℃; for 6h; Autoclave; |
- 94-71-3
2-Ethoxyphenol
- 64-17-5
ethanol
A
- 1020-31-1
3,5-Di-tert-butylcatechol
B
- 128-39-2
2,6-di-tert-butylphenol
C
- 2934-05-6
2,4-diisopropylphenol
D
- 2078-54-8
2,6-diisopropylphenol
E
- 2934-07-8
2,4,6-triisopropylphenol
F
- 4130-42-1
2,6-di-tert-butyl-4-ethylphenol
G
- 2444-28-2
2,6-di-tert-butyl-4-hydroxyphenol
H
- 87-97-8
2,6-di-tert-butyl-4-methoxymethylene-phenol
I
- 1138-52-9
3,5-Di-tert-butylphenol
J
- 1879-09-0
2,4-dimethyl-6-tert-butylphenol
K
- 52417-48-8
2-(2',5'-dimethoxyphenyl)propionaldehyde
L
- 17540-75-9
2,6-di-tert-butyl-4-sec-butylphenol
M
- 2050-46-6
1,2-diethoxybenzene
N
- 21112-37-8
1,4-dimethoxy-2-tert-butylbenzene
O
- 5076-72-2
1-ethoxy-4-methoxybenzene
P
- 79-74-3
2,5-di(tert-amyl)-1,4-hydroquinone
Q
- 120-95-6
2,4-di-tert-amylphenol
R
- 876-20-0
2,5-diethyl phenol
S
- 33963-27-8
4-ethoxy-3-methoxytoluene
T
- 59056-76-7
1,2-dimethoxy-4-butylbenzene
U
- 131358-04-8
1,2-diethoxy-4-ethyl-benzene
V
- 1620-98-0
3,5-di-t-butyl-4-hydroxybenzaldehyde
| Conditions | Yield |
|---|---|
| With ortho-tungstic acid at 300℃; for 6h; Autoclave; |
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Chemistry
Molecular Formula: C16H26O2 
Formula Weight: 250.38
IUPAC Name: 2,5-Bis(2-methylbutan-2-yl)benzene-1,4-diol
Synonyms: 2,5-Bis(1,1-dimethylpropyl)hydroquinone ; 2,5-Di-tert-pentylbenzene-1,4-diol ; 4-Benzenediol,2,5-bis(1,1-dimethylpropyl)-1 ; 2,5-Di-tert-pentylbenzene-1,4-diol
Melting Point of 2,5-Di(tert-amyl)hydroquinone (79-74-3): 179 °C
Flash Point of 2,5-Di(tert-amyl)hydroquinone (79-74-3): 162.7 °C
Boiling Point: 364.8 °C at 760 mmHg
Density of 2,5-Di(tert-amyl)hydroquinone (79-74-3): 0.99 g/cm3
Vapour Pressure: 7.84E-06 mmHg at 25°C
Index of Refraction: 1.513
Toxicity Data With Reference
| 1. | orl-rat LD50:2 g/kg | IPSTB3 International Polymer Science and Technology. 3 (1976),93. | ||
| 2. | ipr-mus LD50:200 mg/kg | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 . | ||
| 3. | orl-rbt LD50:2 g/kg | IPSTB3 International Polymer Science and Technology. 3 (1976),93. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Poison by intraperitoneal route. Low toxicity by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes.
RTECS : MX6300000