Description
Catalogue Number	100984
Synonyms	Isobutylalcohol, 2-Methyl-1-propanol, Iso-Butanol
Description	Isobutanol
Overview	EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE®provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Product Information
CAS number	78-83-1
EC index number	603-108-00-1
EC number	201-148-0
Grade	ACS,Reag. Ph Eur
Hill Formula	C₄H₁₀O
Chemical formula	(CH₃)₂CHCH₂OH
Molar Mass	74.12 g/mol
HS Code	2905 14 90
Structure formula Image

Applications
Application	Isobutanol for analysis EMSURE® ACS,Reag. Ph Eur. CAS 78-83-1, EC Number 201-148-0, chemical formula (CH₃)₂CHCH₂OH.

Physicochemical Information
Boiling point	106 - 108 °C (1013 hPa)
Density	0.802 g/cm3 (20 °C)
Explosion limit	1.5 - 12 %(V)
Flash point	28 °C
Ignition temperature	430 °C
Melting Point	-108 °C
pH value	7 (80 g/l, H₂O, 20 °C)
Vapor pressure	12 hPa (20 °C)
Solubility	85 g/l

Toxicological Information
LD 50 oral	LD50 Rat > 2830 mg/kg
LD 50 dermal	LD50 Rat 2460 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H226: Flammable liquid and vapour. H315: Causes skin irritation. H318: Causes serious eye damage. H335: May cause respiratory irritation. H336: May cause drowsiness or dizziness.
Precautionary Statement(s)	P210: Keep away from heat. P280: Wear eye protection. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P313: Get medical advice/ attention.
Signal Word	Danger
Storage class	3 Flammable liquids
WGK	WGK 1 slightly water endangering
Disposal	3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Safety Information
Hazard Symbols	Irritant
Categories of danger	flammable, irritant
R Phrase	R 10-37/38-41-67 Flammable.Irritating to respiratory system and skin.Risk of serious damage to eyes.Vapours may cause drowsiness and dizziness.
S Phrase	S 7/9-13-26-37/39-46 Keep container tightly closed and in a well-ventilated place.Keep away from food, drink and animal feedingstuffs.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves and eye/face protection.If swallowed, seek medical advice immediately and show this container or label.

Storage and Shipping Information
Storage	Store at +5°C to +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1212 , 3, III
Declaration (transport by air) IATA-DGR	UN 1212 , 3, III
Declaration (transport by sea) IMDG-Code	UN 1212 , 3, III

Specifications
Purity (GC)	≥ 99 %
Identity (IR)	conforms
Colour	≤ 10 Hazen
Solubility in water	conforms
Acidity	≤ 0.0005 meq/g
Density (d 20 °C/20 °C)	0.802 - 0.804
Refractive index (n15/D)	1.397 - 1.399
Boiling range (107-109°C)	≥ 96 % (v/v)
Peroxide (as H₂O₂)	≤ 0.001 %
Readily carbonizable substances	conforms
n-Butyl alcohol (GC)	≤ 0.2 %
2-Butanol (GC)	≤ 0.05 %
Butyraldehyde (GC)	≤ 0.01 %
Ethylmethylketone (GC)	≤ 0.02 %
Isobutyraldehyde (GC)	≤ 0.05 %
Al (Aluminium)	≤ 0.00005 %
B (Boron)	≤ 0.000002 %
Ba (Barium)	≤ 0.00001 %
Ca (Calcium)	≤ 0.00005 %
Cd (Cadmium)	≤ 0.000005 %
Co (Cobalt)	≤ 0.000002 %
Cr (Chromium)	≤ 0.000002 %
Cu (Copper)	≤ 0.000002 %
Fe (Iron)	≤ 0.00001 %
Mg (Magnesium)	≤ 0.00001 %
Mn (Manganese)	≤ 0.000002 %
Ni (Nickel)	≤ 0.000002 %
Pb (Lead)	≤ 0.00001 %
Sn (Tin)	≤ 0.00001 %
Zn (Zinc)	≤ 0.00001 %
Evaporation residue	≤ 0.001 %
Water	≤ 0.05 %
Corresponds to ACS, Ph Eur-reagent

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MERCK 100984 Isobutanol for analysis EMSURE® ACS,Reag. Ph Eur. CAS 78-83-1, EC Number 201-148-0, chemical formula (CH₃)₂CHCH₂OH

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