All
Chemical Reagents
Biomedicine
Organic raw materials
Inorganic chemical industry
intermediate
Agricultural chemicals
Auxiliaries and catalysts
Fragrances and Flavors
Dyes and Pigments
Daily chemical industry

alpha-Naphtholbenzein

Dangerous Goods

CAS number:145-50-6    molecular formula:C27H18O2

overview

compound introduction

α-对萘酚苯是属于Benzein 家族的一种染料,在水中不可溶,在醇中可溶。α-对萘酚苯主要用作pH范围8.2-10的指示剂(主要用于酸碱滴定),在中性溶液变为碱性时导致变色。其应用包括检测包装食品中的细菌生长、活细胞、酶、细菌感染患者的氨水味及其它。

Specs

Chinese aliasα-纳富妥苯 | 4,4'-(α-羟基亚苄基)二-1-萘酚 | 对萘酚苯甲醇
English alias1(4H)-Naphthalenone, 4-[(4-hydroxy-1-naphthalenyl)phenylmethylene]- | 1-Naphtholbenzein | alpha-Naphtholbenzein | p-Naphtholbenzein | (E)-4-((4-hydroxynaphthalen-1-yl)(phenyl)methylene)naphthalen-1(4H)-one
CAS number145-50-6molecular formulaC27H18O2
molecular weight374.43 g/molExact mass-
PSA37.300 Ųlogp6.6

numbering system

No numbering system information yet

physicochemical properties

No physical and chemical property information yet

Safety information

pictogram:
GHS07
Signal word:
Warning
Hazard Statement:
H315: 引起皮肤刺激 H319: 引起严重眼睛刺激 H335: 可能引起呼吸道刺激
Statement of Preventive Measures:
P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾 P305+P351+P338: 如进入眼睛:用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出,取出隐形眼镜。继续冲洗。 P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P302+P352: 如皮肤沾染:用水充分清洗。 P321: 特殊处理(请参阅此标签上的...)。 P405: 密闭存放 P501: 将内容物/容器处理到。。。 P264: 处理后要彻底洗手。 P271: 仅在室外或通风良好的地方使用。 P304+P340: 如误吸入:将人转移
WGK Germany:
3
Personal protective equipment:
dust mask type N95 (US),Eyeshields,Gloves
UN Number:
1993

Production methods and uses

No production method and use information yet

Related

upstream information

No upstream information yet

downstream information

No downstream information yet

MSDS

Found 1 shareMSDS
145-50-6 | α-Naphtholbenzein.pdf