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Merck
CN

539325

Hydrofluoric acid

35 wt. % in H2O

Synonym(s):

HF

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About This Item

Empirical Formula (Hill Notation):
HF
CAS Number:
7664-39-3
Molecular Weight:
20.01
EC Number:
231-634-8
UNSPSC Code:
12352106
MDL number:
MFCD00011346

Key Documents

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vapor density

1.27 (vs air)

vapor pressure

25 mmHg ( 20 °C)

concentration

35 wt. % in H2O

density

1.15 g/mL at 25 °C

SMILES string

[H+].[F-]

InChI

1S/FH/h1H

InChI key

KRHYYFGTRYWZRS-UHFFFAOYSA-N

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Other Notes

This product has been replaced by 01066-Sigma-Aldrich | Hydrofluoric acid, technical, 40-45% | HF

pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Eye Dam. 1 - Skin Corr. 1A

Storage Class

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
01134DJ
06876MH
00652TE
06481EE
06044JI

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Souleymane Coulibaly et al.
Biological & pharmaceutical bulletin, 38(9), 1395-1403 (2015-09-04)
To clarify the seasonal fluctuations in air pollution and the effect of long-range transport, we collected airborne particles (n=118) at Dazaifu in Fukuoka, Japan, from June 2012 to May 2013 and measured Pb and SO4(2-), which are indicators of the

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