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526452

Sigma-Aldrich

2,4,5-三甲基苯甲醛

90%

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About This Item

線性公式:
(CH3)3C6H2CHO
CAS號碼:
分子量::
148.20
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22
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化驗

90%

雜質

7% 5-bromo-1,2,4-trimethylbenzene

mp

41-46 °C (lit.)

官能基

aldehyde

SMILES 字串

[H]C(=O)c1cc(C)c(C)cc1C

InChI

1S/C10H12O/c1-7-4-9(3)10(6-11)5-8(7)2/h4-6H,1-3H3

InChI 密鑰

LROJZZICACKNJL-UHFFFAOYSA-N

一般說明

Dipole moments of 2,4,5-trimethylbenzaldehyde (TMB) isolated in a durene host crystal have been reported to be 1.65 ± 0.09D (difference between the ground state and the lowest singlet) and 1.05 ± 0.06D (difference between the ground state and triplet excited states).[1] TMB has been identified as one of the major volatile constituent present in the leave extracts of Eryngium foetidum L.[2] Based on the phosphorescence excitation and Stark spectral data, it has been observed that a change in temperature[3] and electric field[4] causes a change in the dipole moment of the compound.

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

230.0 °F - closed cup

閃點(°C)

110 °C - closed cup


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On the ?dual phosphorescence? from 2, 4, 5-trimethylbenzaldehyde in crystalline durene.
Moehle W and Vala M.
Chemical Physics Letters, 41(1), 149-153 (1976)
Dipole moments of the lowest excited singlet and triplet states of 2, 4, 5-trimethylbenzaldehyde in a durene host crystal.
Sheng SJ and Hanson DM.
J. Chem. Phys. , 60(2), 368-374 (1974)
Triplet state Stark spectroscopy above the phosphorescence origin of 2, 4, 5-trimethylbenzaldehyde.
Winkler IC and Hanson DM.
J. Chem. Phys. , 76(12), 5739-5745 (1982)
Composition of the leaf oil of Eryngium foetidum L. from Cuba.
Pino JA, et al.
J. Essent. Oil Res., 9(4), 467-468 (1997)
H J Fang et al.
Yao xue xue bao = Acta pharmaceutica Sinica, 25(7), 534-537 (1990-01-01)
Essential oil from the rhizome of Cyclorhiza waltonii was obtained by steam distillation. The chemical components of the oil were examined by means of capillary gas chromatography and gas chromatography-mass selective detector with HP-5 and Carbowax 20M stationary phases. Fifteen

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