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Merck
CN

8.22263

2-Butanol

EMPLURA®

Synonym(s):

2-Butanol, sec-Butyl alcohol

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About This Item

Linear Formula:
CH3CH(OH)CH2CH3
CAS Number:
Molecular Weight:
74.12
UNSPSC Code:
12352104
EC Index Number:
201-158-5
NACRES:
NB.21
MDL number:
Assay:
≥99% (GC)
Bp:
99-102 °C/1013 hPa
Vapor pressure:
16.5 hPa ( 20 °C)
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vapor pressure

16.5 hPa ( 20 °C)

Quality Level

product line

EMPLURA®

assay

≥99% (GC)

form

liquid

autoignition temp.

390 °C

potency

6480 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rat)

expl. lim.

1.4-9.8 % (v/v)

dilution

(low-cost alternative, for basic applications)

impurities

≤0.2% Water (Karl Fischer)

pH

7 (20 °C)

bp

99-102 °C/1013 hPa

mp

-115 °C

transition temp

flash point 24 °C

solubility

125 g/L

density

0.81 g/cm3 at 20 °C

storage temp.

2-30°C

SMILES string

OC(CC)C

InChI

1S/C4H10O/c1-3-4(2)5/h4-5H,3H2,1-2H3

InChI key

BTANRVKWQNVYAZ-UHFFFAOYSA-N

Application



  • Machine-Learning-Based Kinetic-Free Hybrid Gray-Box Model to Predict Sulfuric-Acid-Catalyzed Esterification Reaction.: Describes a new machine learning model to optimize the esterification reaction process, which can potentially include the use of 2-butanol as a reactant or solvent (Wen X et al., 2024).


  • Dynamic microbial and metabolic changes during Apulian Caciocavallo cheese-making and ripening produced according to a standardized protocol.: This research investigates the role of microbial communities and their metabolic activities in cheese production, where solvents like 2-butanol may be used in analytical methods (Vacca M et al., 2024).


  • Interruption of p38(MAPK)-MSK1-CREB-MITF-M pathway to prevent hyperpigmentation in the skin.: Discusses the biochemical pathway involved in skin pigmentation, where 2-butanol may be employed in experimental procedures or as a solvent (Kim SH et al., 2024).


Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.806 - 0.807
Water (K. F.): ≤ 0.20 %
Identity (IR): passes test

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany


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pictograms

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signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3

target_organs

Central nervous system, Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

80.6 °F - closed cup

flash_point_c

27 °C - closed cup

Regulatory Information

危险化学品

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Protocols

A guide to create solvent systems used for the thin-layer chromatography assay of Novabiochem products.

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Global Trade Item Number

SKUGTIN
822263250004022536486802