筛选出 2 条数据
品牌 | 产品 | 货期 | 价格 | 货号 | 规格 | / |
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CAS号:9003-11-6
品名:聚醚多元醇Polyethylene-polypropyleneglycol
中文别名:环氧丙烷与环氧乙烷的共聚物;改性聚醚;聚(乙二醇)-block-聚(丙二醇)-block-聚(乙二醇);聚醚多元醇;
英文别名:Poly(ethyleneglycol)-block-poly(propyleneglycol)-block-poly(ethyleneglycol);Poloxamer;
分子式:C5H10O2
分子量:102.132
精确质量:102.068
Psa:25.06
EINECS号:618-355-0
外观与性状:白色结晶粉末
密度:1.095 g/mL at 25ºC
沸点:32.9ºC at 760 mmHg
熔点:60-50ºC
闪点:55.2ºC
折射率:n20/D 1.466
安全说明:S23; S24/25; S45; S36/37/39; S26
危险类别码:R21; R23/24/25; R25; R36/37/38
用途:1.作乳化剂和稳定剂:Poloxamer188(PluronicF
源叶 | 聚(乙二醇)-block-聚(丙二醇)-block-聚(... Poly(ethyleneglycol)-block-... | 现货 | 1380.00 | V34648 | averageMn~8,400(EO:PO=4:1) |
规格:
5kg
2.5kg
1kg
500g
250g
100g
|
CAS号:156-38-7
品名:对羟基苯乙酸4-hydroxyphenylaceticacid
中文别名:对羟苯乙酸;對羥苯乙酸;4-羟基苯基乙酸;4-氫氧苯乙酸;阿替洛尔杂质F;对羟基苯醋酸;4-氢氧基苯乙酸;4-羟基苯乙酸;
英文别名:2-(4-Hydroxyphenyl)aceticacid;4-Hydroxyphenylaceticacid;Benzeneaceticacid,4-hydroxy-;2-(4-hydroxyphenyl)aceticacid;
分子式:C8H8O3
分子量:152.147
精确质量:152.047
Psa:57.53
RTECS号:AI2680000
BRN号:1448766
EINECS号:205-851-3
MDL号:MFCD00004347
外观与性状:白色或淡黄色结晶粉末
密度:1.319 g/cm3
沸点:346.6ºC at 760 mmHg
熔点:148-151°C(lit.)
闪点:177.6ºC
稳定性:Stable at room temperature in closed containers under normal storage and handling conditions.
储存条件:Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
蒸汽压:2.15E-05mmHg at 25°C
安全说明:S26-S36-S24/25
危险类别码:R36/37/38
WGK Germany:3
海关编码:2918290000
危险品标志:Xi
简介:4-Hydroxyphenylaceticacidisachemicalcompoundfoundinoliveoilandbeer.Inindustrythechemicalisanintermediateusedtosynthesizeatenololand3,4-dihydroxyphenylaceticacid.
用途:有机合成中间体,用于生产β-受体阻滞药阿替洛尔和葛根黄豆甙元有效成分-4,7-二羟基异黄酮的合成;还可用作农药中间体。
百灵威 | 4-羟基苯乙酸 4-Hydroxyphenylaceticacid,... | 17.5天 | 1352.00 | JK266791 | 98% |
规格:
2.5KG
500G
100G
25G
5G
|