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2,5-Difluorobenzaldehyde

HCID 137663
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Basic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
2646-90-4
Standard SMILES
O=Cc1cc(F)ccc1F
InChIKey
VVVOJODFBWBNBI-UHFFFAOYSA-N
Molecular formula
C7H4F2O
Average molar mass
142.1 g/mol
Monoisotopic mass
142.02302119

Names & identifiers

Preferred name
2,5-Difluorobenzaldehyde
IUPAC
2,5-difluorobenzaldehyde
English name
2,5-Difluorobenzaldehyde
Molecular formula
C7H4F2O
Molecular weight
142.1

Names & synonyms

2,5-Difluorobenzaldehyde2646-90-4VVVOJODFBWBNBI-UHFFFAOYSA-DTXSID30181058RefChem:82843DTXCID40103549629-300-5InChI=1/C7H4F2O/c8-6-1-2-7(9)5(3-6)4-10/h1-4HVVVOJODFBWBNBI-UHFFFAOYSA-NBenzaldehyde, 2,5-difluoro-MFCD000103272,5-difluoro-benzaldehyde
Show more names
TIMTEC-BB SBB0065702,5-DifluorobenzaldeDifluorobenzaldehyde2,5-fluorobenzaldehyde2-CHLORO-4-ETHOXYANILINE2,9-Difluoroacetophenone2,5-Diffuorobenzaldehyde2,5-Difluoro Benzaldehydes2,5-Difluorobenzaldehyde>
2,5 difluorobenzaldehyde2,5-difluoro benzaldehydeSCHEMBL65723SCHEMBL95486SCHEMBL15066422SCHEMBL15067625SCHEMBL150680812,5-Difluorobenzaldehyde, 98%

Database identifiers

CAS
2646-90-4
PubChem CID
137663
DTXSID
DTXSID30181058
EC Number
629-300-5
Nikkaji
J1.631.180D

Properties

Computed structural propertiesFilling in

XLogP
1.8
Topological polar surface area
17.1 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
3
Rotatable bonds
1
Heavy atoms
10
Formal charge
0
Complexity
127

Physicochemical properties

Melting point
67 · 67-69 °C
Boiling point
67 · 67-69 °C/17 mmHg (lit.)
Density
1.308 g/mL · 1.308 g/mL at 25 °C (lit.)
refractive index
20 · n20/D 1.498(lit.)
Flash point
138 °F · 138 °F
storage temp.
2 · under inert gas (nitrogen or Argon) at 2-8°C
form
Liquid
Specific Gravity
1.308 · 1.308
color
Clear colorless to yellow
Sensitive
Air Sensitive
BRN
2573664 · 2573664
InChI
InChI=1S/C7H4F2O/c8-6-1-2-7(9)5(3-6)4-10/h1-4H
InChIKey
VVVOJODFBWBNBI-UHFFFAOYSA-N
SMILES
C(=O)C1=CC(F)=CC=C1F
CAS DataBase Reference
2646 · 2646-90-4(CAS DataBase Reference)

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Warning

H226 (98%): Flammable liquid and vapor [Warning Flammable liquids]

P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 49 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Hazard Classes and CategoriesFlam. Liq. 3 (98%)

Safety data

PPE
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
wgk
3
ridadr
UN 1989 3/PG 3
hs_code
29130000
risk_code
36/37/38
Signal word
Warning
Symbol(GHS)
GHS02,GHS07
hazard_code
Xi
hazard_note
Irritant
safety_code
26-36-37/39-36/37
hazard_class
3.2
Storage Class
3 - Flammable liquids
packing_group
III
target organs
Respiratory system
Hazard statements

Chemistry & industry

Applications

Uses2,5-Difluorobenzaldehyde was used in the synthesis of fluorinated analog by Henry condensation with nitroethane.

General DescriptionThe emission and absorption spectra of 2,5-difluorobenzaldehyde were studied.

Upstream & downstream products

Upstream raw materials

1,4-DifluorobenzeneN-Methylformaniliden-ButyllithiumHexaneTetrahydrofuran

Downstream products

(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)-3-nitropyrazolo[1,5-a]pyrimidine2,5-Difluorobenzyl alcohol5-Fluoro-2-(pyrrolidin-1-yl)benzaldehydeBenzo[b]thiophene-2-carboxylic acid, 5-fluoro-, ethyl ester5-Fluoro-benzo[b]thiophene-2-carboxylic acid methyl ester3-Amino-3-(2,5-difluoro-phenyl)-propionic acid1-(2,5-Difluorophenyl)ethanol

Related reactions

144 records
New reaction record
HRID 3684 reaction equation
HRID 3684As reactantuspto-grants-1998_03
HRID 3968 reaction equation
HRID 3968As productuspto-grants-1988_02
HRID 15435 reaction equation
HRID 15435As reactantuspto-grants-2010_06
HRID 31191 reaction equation
HRID 31191As reactantuspto-grants-2008_09
HRID 45895 reaction equation
HRID 45895As reactantuspto-grants-2013_09
HRID 47578 reaction equation
HRID 47578As reactantuspto-grants-2004_03
HRID 49203 reaction equation
HRID 49203As reactantuspto-grants-2004_03
HRID 69328 reaction equation
HRID 69328As reactantuspto-grants-2014_09
Page 1 of 18

Compound notes

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On this pageBasic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
More actions
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UNSPSC Code
12352100 · 12352100
NACRES
22 · NA.22
Symbol(GHS)
2 · GHS02,GHS07
Signal word
Warning
Hazard statements
226 · H226-H315-H319-H335
Precautionary statements
210 · P210-P302+P352-P305+P351+P338
target organs
Respiratory system
PPE
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes
Xi
Risk Statements
36 · 36/37/38
Safety Statements
26 · 26-36-37/39-36/37
RIDADR
1989 · UN 1989 3/PG 3
WGK Germany
3 · 3
Hazard Note
Irritant
HazardClass
3.2 · 3.2
PackingGroup
III
HS Code
29130000 · 29130000
Storage Class
3 · 3 - Flammable liquids
Hazard Classifications
2 Flam · Eye Irrit. 2Flam. Liq. 3Skin Irrit. 2STOT SE 3
Limited Quantities
5 L · 5.0 L (1.3 gallons) (liquid)
Excepted Quantities
Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
H226-H315-H319-H335
Limited Quantities
5.0 L (1.3 gallons) (liquid)
Excepted Quantities
Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
Hazard Classifications
Eye Irrit. 2Flam. Liq. 3Skin Irrit. 2STOT SE 3
Precautionary statements
P210-P302+P352-P305+P351+P338