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398047

Sigma-Aldrich

Resorcinol

ACS reagent, ≥99.0%

Synonym(s):

1,3-Benzenediol

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About This Item

Linear Formula:
C6H4-1,3-(OH)2
CAS Number:
Molecular Weight:
110.11
Beilstein:
906905
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent

Quality Level

vapor density

3.8 (vs air)

vapor pressure

1 mmHg ( 21.1 °C)

Assay

≥99.0%
99.0-100.5% (ACS specification)

form

powder and chunks

autoignition temp.

1126 °F

impurities

≤0.004 meq/g Titr. acid
≤0.005% insolubles

ign. residue

≤0.01%

bp

178 °C/16 mmHg (lit.)

mp

109-112 °C (lit.)

solubility

H2O: 5%, clear, colorless (solution)

SMILES string

Oc1cccc(O)c1

InChI

1S/C6H6O2/c7-5-2-1-3-6(8)4-5/h1-4,7-8H

InChI key

GHMLBKRAJCXXBS-UHFFFAOYSA-N

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Application

Resorcinol (ACS reagent) can be used to determine nitrate concentrations in seawater using a spectrophotometric technique via nitration of resorcinol in acidified seawater.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 3 - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1B - STOT SE 1 Oral - STOT SE 2 Oral

Target Organs

Central nervous system,Blood, Respiratory system

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

Flash Point(F)

260.6 °F - closed cup

Flash Point(C)

127 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Lot/Batch Number

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