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 structure
 structure

CAS No.: 134-31-6
Molecular Weight:145.15798
Modify Date.: 2022-03-12 08:32
1. Names and Identifiers
1.1 CAS No.
134-31-6
1.2 Molecular Formula
C32H31N5O7 (isomer)
1.3 Inchi
InChI=1S/C9H7NO/c11-8-5-1-3-7-4-2-6-10-9(7)8/h1-6,11H
1.4 InChkey
MRUMAIRJPMUAPZ-UHFFFAOYSA-N
1.5 Canonical Smiles
OC1=C2C(C=CC=N2)=CC=C1
1.6 Isomers Smiles
O=S(=O)(O)O.OC=1C=CC=C2C=CC=NC12
2. Properties
3.1 Melting point
182℃
3.1 Refractive index
1.5364 (estimate)
3.1 Vapour pressure
8.34E-14mmHg at 25°C
3.1 Precise Quality
388.07300
3.1 PSA
149.22000
3.1 logP
4.30880
3. Safety and Handling
4.1 Symbol
GHS07;
4.1 Signal Word
Warning
4.1 Risk Statements
R22
4.1 Safety Statements
S36
4.1 Packing Group
III
4.1 Hazard Class
6.1(b)
4.1 Hazard Declaration
H302
4.1 RIDADR
25kgs
4.1 Caution Statement
P301 + P312 + P330
4.1 WGK Germany
1
4.1 RTECS
VC8260000
4. MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Acute toxicity - Oral, Category 4

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Warning

Hazard statement(s)

H302 Harmful if swallowed

Precautionary statement(s)
Prevention

P264 Wash ... thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

Response

P301+P312 IF SWALLOWED: Call a POISON CENTER/doctor/\u2026if you feel unwell.

P330 Rinse mouth.

Storage

none

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

5. Question & Answer
  • The sulfate is a salt of 8-hydroxyquinoline, which is itself insoluble in water, and the salt will be much more soluble and therefore should absorb through skin more easily. The sulfate contains base and sulfate in a ratio of 2:1, so calculating with the molecular mass of each it will be about 75% ...