CAS 452-67-5 2,5-Difluorotoluene (HCID 67980)

Names & identifiers

Preferred name: 2,5-Difluorotoluene
IUPAC: 1,4-difluoro-2-methylbenzene
English name: 2,5-Difluorotoluene
Molecular formula: C7H6F2
Molecular weight: 128.12

Names & synonyms

2,5-Difluorotoluene1,4-Difluoro-2-methylbenzeneBenzene, 1,4-difluoro-2-methyl-7K9PUS3HC7EINECS 207-205-6NSC-25757AI3-52231DTXSID10196423TOLUENE, 2,5-DIFLUORO-NSC 25757RefChem:82853Benzene, 1,4difluoro2methyl

Show more names

uorotoL2,5-DifL2,5-Difluorotolune2,5-Difluorotoluene>2,5-Difluorotoluene,98%2 5-DIFLUOROTOLUENE 98%2,5-Difluorotoluene, 97+%2,5-Difluorotoluene, 99+%

DTXCID20118914207-205-6UN2388YSNVKDGEALPJGC-UHFFFAOYSA-N452-67-5MFCD000003471,4-DIFLUORO-2-METHYL-BENZENENSC25757

Database identifiers

CAS: 452-67-5
PubChem CID: 67980
DTXSID: DTXSID10196423
UNII: 7K9PUS3HC7
EC Number: 207-205-6
Nikkaji: J196.151I

Properties

Computed structural properties

XLogP: 3.1
Topological polar surface area: 0 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 2
Rotatable bonds: 0
Heavy atoms: 9
Formal charge: 0
Complexity: 92.9

Experimental & physicochemical properties

Chemical ClassesOther Classes -> Halogenated Monoaromatics

Physical DescriptionColorless liquid with an aromatic odor; [Alfa Aesar MSDS]

Physicochemical properties

Melting point: -35 °C · -35°C
Boiling point: 117 °C775 · 117 °C775 mm Hg(lit.)
Density: 1.36 g/mL · 1.36 g/mL at 25 °C(lit.)
refractive index: 20 · n20/D 1.452(lit.)
Flash point: 55 °F · 55 °F
storage temp.: 2 · 2-8°C
form: liquid
color: Clear, colourless
Specific Gravity: 1.36 · 1.360
BRN: 2041492 · 2041492
Stability: Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference: 452 · 452-67-5(CAS DataBase Reference)
FDA UNII: 7 K9PUS3HC7 · 7K9PUS3HC7
NIST Chemistry Reference: 2 · 2,5-Difluorotoluene(452-67-5)
Symbol(GHS): 2 · GHS02,GHS07
Signal word: Danger
Hazard statements: 225 · H225-H315-H319-H335
Precautionary statements: 210 · P210-P233-P240-P241+P242+P243-P280-P303+P361+P353-P403+P235-P501-P261-P305+P351+P338-P405-P501a
Hazard Codes: F,F+
Risk Statements: 11 · 11
Safety Statements: 16 · 16-29-33
RIDADR: 1993 · UN 1993 3/PG 2
WGK Germany: 3 · 3
Hazard Note: Flammable
HazardClass: 3 · 3
PackingGroup: II
HS Code: 29039990 · 29039990
Limited Quantities: 1 L · 1.0 L (0.3 gallon) (liquid)
Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)

Safety & regulation

GHS classification

GHS Classification · 4 items

Danger

H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]

P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 45 reports by companies from 2 notifications to the ECHA C&L Inventory.

Hazard information

Hazards SummaryA skin and strong eye irritant; [Alfa Aesar MSDS] See Toluene.

Hazard Classes and CategoriesFlam. Liq. 2 (100%)

Safety data

wgk: 3
ridadr: UN 1993 3/PG 2
hs_code: 29039990
risk_code: 11
Signal word: Danger
Symbol(GHS): GHS02,GHS07
hazard_code: F,F+
hazard_note: Flammable
safety_code: 16-29-33
hazard_class: 3
packing_group: II
Hazard statements: H225-H315-H319-H335
Limited Quantities: 1.0 L (0.3 gallon) (liquid)
Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
Precautionary statements: P210-P233-P240-P241+P242+P243-P280-P303+P361+P353-P403+P235-P501-P261-P305+P351+P338-P405-P501a

Chemistry & industry

Applications

Uses2,5-Difluorobenzaldehyde is a very important fine chemical. It is an intermediate for the synthesis of many important chemicals and is used as an intermediate for medicines, pesticides, and liquid crystal materials.