Chemistry
The Molecular formula of 2,5-Difluorobenzaldehyde(2646-90-4) : C7H4F2O
The Molecular Weight of 2,5-Difluorobenzaldehyde(2646-90-4) : 142.1
Molecular Structure :
Flash point: 138 °F
Boiling point: 67-69 °C17 mm Hg(lit.)
density: 1.308 g/mL at 25 °C(lit.)
refractive index: n20/D 1.498(lit.)
Sensitive: Air Sensitive
IUPAC Name: 2,5-difluorobenzaldehyde
Synonyms: TIMTEC-BB SBB006570;2,5-DIFLUOROBENZALDEHYDE;2,5-Difluorobenzaldehyde 98%;2,5-Difluorobenzaldehyde98%;2,5-DIFLUOROBENZALDEHYDE 99+%
Uses
2,5-Difluorobenzaldehyde(2646-90-4) is used for medicine,pesticide and the intermediate of Liquid Crystal Materials.
Toxicity Data With Reference
1、RTECS#: CAS#
2646-90-4: None listed
2、LD50/LC50: RTECS: Not available.
3、Carcinogenicity: 2,5-Difluorobenzaldehyde - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
4、Other: The toxicological properties have not been fully investigated.
Safety Profile
The Hazard Codes of 2,5-Difluorobenzaldehyde(2646-90-4) :
Xi
Hazard Note: Irritant
HazardClass: 3.2
The Risk Statements information of 2,5-Difluorobenzaldehyde(2646-90-4) :
36/37/38: Irritating to eyes, respiratory system and skin
The Safety Statements information of 2,5-Difluorobenzaldehyde(2646-90-4) :
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
36/37: Wear suitable protective clothing and gloves
37/39: Wear suitable gloves and eye/face protection
RIDADR: UN 1989 3/PG 3
WGK Germany: 3
PackingGroup: III
Specification
(1):Fire Fighting Measures of 2,5-Difluorobenzaldehyde(2646-90-4):
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Vapors can travel to a source of ignition and flash back. Combustible liquid.
Extinguishing Media: Use
WATER spray, dry chemical,
CARBON dioxide, or chemical foam.
(2):Handling and Storage of 2,5-Difluorobenzaldehyde(2646-90-4):
Handling: Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage: Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.