叔丁基对苯二酚 BR，98%

Name: 叔丁基对苯二酚
SKU: S30711

TBHQ

品牌：桔子

产品编号：S30711

CAS号：1948-33-0

分子式：C10H14O2

分子量：166.22

MDL：MFCD00002344

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产品名称 :	叔丁基对苯二酚
英文名称 :	TBHQ
参考名称 :	2-(叔丁基)苯-1,4-二酚(may occur to produce black solid)
参考英文名称 :	2-(tert-Butyl)benzene-1,4-diol(may occur to produce black solid)
CAS号 :	1948-33-0
分子式 :	C10H14O2
分子量 :	166.22
SMILES :	CC(C)(C)C1=C(C=CC(=C1)O)O
MDL NO :	MFCD00002344
PubChem CID :	16043
InChIKey :	BGNXCDMCOKJUMV-UHFFFAOYSA-N
储存条件 :	RT&&2-8℃

熔点 :	126.5-128.5 °C
外观 / 形态 :	Dry Powder; Liquid; Wet Solid; Other Solid; Dry Powder；Solid；Tert-butylhydroquinone appears as white to light tan crystalline powder or a fine beige powder. Very slight aromatic odor. (NTP, 1992)；White crystalline solid having a characteristic odour；White to light tan solid; [HSDB] Tan powder; [MSDSonline]
颜色 / 形态 :	White to light tan crystalline powder or a fine beige powder；White crystalline solid
沸点 :	295 °C；563 °F at 760 mmHg (NTP, 1992)
密度 :	1.05；1.05 (NTP, 1992) - Denser than water; will sink
闪点 :	171 °C (340 °F) - closed cup；340 °F (NTP, 1992)
溶解性 :	Solubility: 5% in water at 95 °C, 5% in lard at 50 °C；In water, 2000 mg/L at 30 °C (Shake-flask method)；Solubility in fats and food-grade solvents is good；(at 25 °C): less than 1% in water, 60% in ethanol, 60% in ethyl acetate, 10% in glyceryl monooleate, 10% in cottonseed oil, 10% in corn oil, 10% in soybean oil, 30% in propylene glycol, 5% in safflower oil；Soluble in acetone, alcohol, ethyl acetate
蒸气压 :	less than 1 mmHg at 68 °F (NTP, 1992)
解离常数 pKa :	pKa = 10.7 at 22 °C
热分解说明 :	When heated to decomposition it emits acrid smoke and irritating fumes.
气味 :	Very slight aromatic odor；Characteristic odor；Very slight odor
pH :	pH = 4.56 at 25 °C of a 1% solution of 2-tert-butylhydroquinone

资料来源：叔丁基对苯二酚产品资料页；来源页标注 PubChem CID 16043，资料日期 2026-10-11。