Isoquinoline-5-SulphonicAcid

Name	5-Isoquinolinesulfonic acid
Synonyms	5-SULFOISOQUINOLINE Fasudil Impurity 35 isoquinoline-5-sulfonate 5-ISOQUINOLINESULFONIC ACID 5-Isoquinolinesulfonic acid Isoquinoline-5-SulphonicAcid 5-ISOQUINOLINESULPHONIC ACID Isoquinoline-5-sulfonic Acid ISOQUINOLINE-5-SULFONIC ACID ISOQUINOLINE-5-SULPHONIC ACID 5-ISOQUINOLINESULFONIC ACID MONOHYDRATE ISOQUINOLINE-5-SULFONIC ACID FOR SINTESIS
CAS	27655-40-9
EINECS	678-548-0
InChI	InChI=1/C9H7NO3S/c11-14(12,13)9-3-1-2-7-6-10-5-4-8(7)9/h1-6H,(H,11,12,13)/p-1

Molecular Formula	C9H7NO3S
Molar Mass	209.22
Density	1.4048 (rough estimate)
Melting Point	>300 °C (lit.)
Appearance	White crystal
Color	White to Almost white
pKa	-0.98±0.40(Predicted)
Storage Condition	Sealed in dry,2-8°C
Refractive Index	1.5364 (estimate)
MDL	MFCD00134089
Physical and Chemical Properties	appearance white solid melting point 300 ℃
Use	Pharmaceutical Intermediates

Risk Codes	R49 - May cause cancer by inhalation R23 - Toxic by inhalation R34 - Causes burns R24 - Toxic in contact with skin R36/38 - Irritating to eyes and skin.
Safety Description	S53 - Avoid exposure - obtain special instructions before use. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
UN IDs	UN 2585 8/PG 3
WGK Germany	1
TSCA	Yes
HS Code	29334900
Hazard Note	Toxic
Hazard Class	8
Packing Group	III

EPA chemical information	Information provided by: ofmpub.epa.gov (external link)
introduction	5-isoquinoline sulfonic acid is a white crystalline solid and is an important pharmaceutical intermediate. As an important intermediate of fasudil hydrochloride, how to directionally synthesize 5-position substituted isoquinoline -5-sulfonic acid without forming by-products of isomers has become a research hotspot of the majority of pharmaceutical and chemical workers.
use	5-isoquinoline sulfonic acid is a white crystalline solid, as an important pharmaceutical (fasudil hydrochloride) intermediate, mainly used for the synthesis of drugs, pesticides, dyes, etc.

Last Update：2024-04-09 20:49:11

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