应用
Methyl Yellow used as a pH indicator. It is an acid-base indicator that changes color from below pH 2.9 red to above pH 4.0 yellow and vice versa. Typical use is in the titration of a weak base with a strong acid.

备注
Transition interval: pH 2.9 (red) to pH 4.0 (yellow)

基本信息

MDL
MFCD00008308

EINECS
200-455-7

分子式
C₁₄H₁₅N₃

分子量
225.30

熔点
110-112° dec.

灵敏度
Ambient temperatures.

形态
Powder

溶解性
Insoluble in water. Soluble in alcohol.

Beilstein
746016

Merck
14,3229

GHS危害和防范说明

GHS符号

Hazard Statements
H301-H351
Toxic if swallowed.Suspected of causing cancer.

Precautionary Statements
P201-P280-P301+P310a-P308+P313-P405-P501a
Obtain special instructions before use.Wear protective gloves/protective clothing/eye protection/face protection.Wear protective gloves/protective clothing/eye protection/face protection.IF exposed or concerned: Get medical advice/attention.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险等级
6.1

包装组
III

危险类别
25-40
Toxic if swallowed.Limited evidence of a carcinogenic effect.

安全等级
36/37-45
Wear suitable protective clothing and gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

RTECS
BX7350000

TSCA
是