Specification :

Commodity name: N-Butanol

CAS No.: 71-36-3

Chemical Formular: CH3CH2CH2CH2OH

Appearance: Colourless Liquid with Vinosity

Specification:

Item

HPLC grade

GR grade

ARgrade

CP grade

Purity % min

99.9%

99.5%

99.5%

98%

Density( 20 ) g/ ml

0.808-0.814

0.784-0.786

0.808-0.811

0.808-0.811

Refractive index

( n20D)

1.398-1.400

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Boiling Point (  )

177± 1

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Evaporation Residue % max

0.001

0.0005%

0.001%

0.005%

Moisture Content % max

0.05%

0.1%

0.2%

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Easy carbonized materials

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Pass test

Pass test

Pass test

Acidity( H+ )

mmol/ 100g

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0.0003%

0.05%

0.15%

Iron ( Fe) %

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0.00003%

0.00005%

0.0001%

Ester( CH3COOC4H9)

max

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0.1%

0.3%

Chroma, black unit

max

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10

15