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257621

Sigma-Aldrich

2,2-二(4-叔辛基苯基)-1-苦基肼基，自由基

别名:

2,2-二(4-叔辛基苯基)-1-苦基肼基, 2,2-双[4-(1,1,3,3-四甲基丁基)苯基]-1-(2,4,6-三硝基苯基)肼基, DPPH

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About This Item

经验公式（希尔记法）:
C34H44N5O6
CAS号:
84077-81-6
分子量:
618.74
MDL號碼:
MFCD00012032
分類程式碼代碼:
12352005
PubChem物質ID:
24855599
NACRES:
NA.22

形狀

solid

品質等級

100

mp

171 °C (dec.) (lit.)

λmax

531 nm

儲存溫度

2-8°C

SMILES 字串

CC(C)(C)CC(C)(C)c1ccc(cc1)N([N]c2c(cc(cc2[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O)c3ccc(cc3)C(C)(C)CC(C)(C)C

InChI

1S/C34H44N5O6/c1-31(2,3)21-33(7,8)23-11-15-25(16-12-23)36(26-17-13-24(14-18-26)34(9,10)22-32(4,5)6)35-30-28(38(42)43)19-27(37(40)41)20-29(30)39(44)45/h11-20H,21-22H2,1-10H3

InChI 密鑰

CLOCMRDQPYXVKP-UHFFFAOYSA-N

一般說明

2,2-二(4-叔辛基苯基)-1-苦基肼基(DPPH)是一种“稳定”的自由基，因为它的保质期长，并可在一般的实验室条件下合成和储存。

應用

2,2-二(4-叔辛基苯基)-1-苦基肼基(DPPH)可作为电子顺磁共振光谱法(EPR)的校准标准品，以及聚合物的自由基清除剂。也可作为“DPPH比色法”的有效试剂，用于检测各种化合物（大部分为酚类）的自由基清除能力。DPPH与抗氧化剂反应后，颜色从深紫色变成浅黄色，通过分光光度法可测定抗氧化剂活性。

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

从最新的版本中选择一种：

分析证书(COA)

Lot/Batch Number
MKCN1802
MKCN0676
MKBS3069V
MKBJ7140V
MKBJ0432V

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