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。
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alpha-Naphtholbenzein
Dangerous GoodsCAS number:145-50-6 molecular formula:C27H18O2
overview
compound introduction
Specs
| Chinese alias | α-纳富妥苯 | 4,4'-(α-羟基亚苄基)二-1-萘酚 | 对萘酚苯甲醇 | ||
| English alias | 1(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 number | 145-50-6 | molecular formula | C27H18O2 |
| molecular weight | 374.43 g/mol | Exact mass | - |
| PSA | 37.300 Ų | logp | 6.6 |
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





