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Cas Database |
| Name |
Antioxidant 1024 |
EINECS | 251-156-3 |
| CAS No. | 32687-78-8 | Density | 1.054 g/cm3 |
| PSA | 98.66000 | LogP | 7.78240 |
| Solubility | soluble in methanol, acetone. Slightly soluble in chloroform and ethyl acetate. Insoluble in water | Melting Point |
60-67 °C |
| Formula | C34H52N2O4 | Boiling Point | 652.6 °C at 760 mmHg |
| Molecular Weight | 552.798 | Flash Point | 348.48 °C |
| Transport Information | N/A | Appearance | White powder |
| Safety | Risk Codes | R36/37/38 | |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
Hydrazine,1,2-bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamoyl)- (8CI);1,2-Bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamoyl)hydrazide;3,5-Bis(1,1-dimethylethyl)-4-hydroxybenzenepropionic acid2-[3-[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]hydrazide;ADKStab CDA 10;Irganox 1024;Irganox MD 1024;Lowinox MD 24;MD1024;MD 24;N,N'-Bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl]hydrazine;N,N'-Bis[3-(3',5'-di-tert-butyl-4'-hydroxyphenyl)propionyl]hydrazine; |
Article Data | 11 |
Antioxidant 1024 Synthetic route
- 32687-77-7
3,5-bis(1,1-dimethylethyl)-4-hydroxybenzenepropanoic acid hydrazide
- 32687-78-8
N,N'-bis-[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionyl]hydrazine
| Conditions | Yield |
|---|---|
| With ethyl acetoacetate In methanol; toluene at 85℃; for 3h; Temperature; Inert atmosphere; | 98.8% |
| With iodine In ethanol at 20℃; for 24h; | 49% |
- 32687-77-7
3,5-bis(1,1-dimethylethyl)-4-hydroxybenzenepropanoic acid hydrazide
- 20170-32-5
4-hydroxy-3,5-di-tert-butylphenylpropionic acid
- 32687-78-8
N,N'-bis-[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionyl]hydrazine
| Conditions | Yield |
|---|---|
| In 5,5-dimethyl-1,3-cyclohexadiene at 138℃; for 10h; Inert atmosphere; | 50% |
- 6386-38-5
methyl 3-(4-hydroxy-3,5-di-tert-butyl)phenylpropanoate
- 32687-78-8
N,N'-bis-[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionyl]hydrazine
| Conditions | Yield |
|---|---|
| With hydrazine hydrate; sodium t-butanolate In 5,5-dimethyl-1,3-cyclohexadiene for 8h; Reagent/catalyst; Solvent; Heating; | 98 g |
| Multi-step reaction with 2 steps 1: hydrazine hydrate / methanol / 12 h / 60 °C / Inert atmosphere 2: 5,5-dimethyl-1,3-cyclohexadiene / 10 h / 138 °C / Inert atmosphere View Scheme | |
| Multi-step reaction with 2 steps 1: sodium hydroxide / methanol; water / 2 h / Heating; Inert atmosphere 2: 5,5-dimethyl-1,3-cyclohexadiene / 10 h / 138 °C / Inert atmosphere View Scheme |
Antioxidant 1024 Specification
The Antioxidant 1024, with the CAS registry number 32687-78-8, is also known as N,N'-Bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl]hydrazine. It belongs to the product categories of Industrial/Fine Chemicals; Organics. Its EINECS number is 251-156-3. This chemical's molecular formula is C34H52N2O4 and molecular weight is 552.80. What's more, its systematic name is 3-[4-Hydroxy-3,5-bis(2-methyl-2-propanyl)phenyl]-N'-{3-[4-hydroxy-3,5-bis(2-methyl-2-propanyl)phenyl]propanoyl}propanehydrazide. It is used as inhibitors and antioxidants for high grade copper.
Physical properties of Antioxidant 1024 are: (1)ACD/LogP: 8.057; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): 8.06; (4)ACD/LogD (pH 7.4): 8.06; (5)ACD/BCF (pH 5.5): 782151.70; (6)ACD/BCF (pH 7.4): 781957.60; (7)ACD/KOC (pH 5.5): 575422.60; (8)ACD/KOC (pH 7.4): 575279.80; (9)#H bond acceptors: 6; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 13; (12)Polar Surface Area: 98.66 Å2; (13)Index of Refraction: 1.535; (14)Molar Refractivity: 163.382 cm3; (15)Molar Volume: 524.461 cm3; (16)Polarizability: 64.77×10-24cm3; (17)Surface Tension: 38.1 dyne/cm; (18)Density: 1.054 g/cm3; (19)Flash Point: 348.48 °C; (20)Enthalpy of Vaporization: 99.639 kJ/mol; (21)Boiling Point: 652.6 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.
Preparation of Antioxidant 1024: this chemical can be prepared by 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionohydrazide at the temperature of 20 °C. This reaction will need reagent iodine and solvent ethanol with the reaction time of 24 hours.. The yield is about 49%.
You can still convert the following datas into molecular structure:
(1)SMILES: O=C(NNC(=O)CCc1cc(c(O)c(c1)C(C)(C)C)C(C)(C)C)CCc2cc(c(O)c(c2)C(C)(C)C)C(C)(C)C
(2)Std. InChI: InChI=1S/C34H52N2O4/c1-31(2,3)23-17-21(18-24(29(23)39)32(4,5)6)13-15-27(37)35-36-28(38)16-14-22-19-25(33(7,8)9)30(40)26(20-22)34(10,11)12/h17-20,39-40H,13-16H2,1-12H3,(H,35,37)(H,36,38)
(3)Std. InChIKey: HCILJBJJZALOAL-UHFFFAOYSA-N
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