| Acetaldehyde |
CAS
75-07-0 |
| CH3CHO |
RTECS
AB1925000 |
Synonyms
& Trade Names
Acetic aldehyde, Ethanal, Ethyl aldehyde |
DOT
ID & Guide
1089 129 |
Exposure
Limits |
NIOSH
REL: Ca |
| OSHA
PEL†: TWA 200 ppm (360 mg/m3) |
| IDLH
Ca [2000 ppm] See: 75070 |
Conversion
1 ppm = 1.80 mg/m3 |
Physical
Description
Colorless liquid or gas (above 69°F) with a pungent, fruity
odor. |
MW:
44.1
|
BP:
69°F
|
FRZ:
-190°F
|
Sol:
Miscible
|
VP:
740 mmHg
|
IP:
10.22 eV
|
|
Sp.Gr:
0.79
|
Fl.P:
-36°F
|
UEL:
60%
|
LEL:
4.0%
|
|
| Class
IA Flammable Liquid: Fl.P. below 73°F and BP below 100°F. |
Incompatibilities
& Reactivities
Strong oxidizers, acids, bases, alcohols, ammonia & amines,
phenols, ketones, HCN, H2S [Note: Prolonged contact
with air may cause formation of peroxides that may explode and
burst containers; easily undergoes polymerization.] |
Personal
Protection & Sanitation
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
Provide: Eyewash, Quick drench
|
First
Aid
Eye: Irrigate immediately
Skin: Water flush promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
|
Respirator
Recommendations NIOSH
At concentrations above the NIOSH REL, or
where there is no REL, at any detectable concentration: (APF
= 10,000) Any self-contained breathing apparatus that has a full
facepiece and is operated in a pressure-demand or other positive-pressure
mode/(APF = 10,000) Any supplied-air respirator that has a full
facepiece and is operated in a pressure-demand or other positive-pressure
mode in combination with an auxiliary self-contained positive-pressure
breathing apparatus
Escape: (APF = 50) Any air-purifying,
full-facepiece respirator (gas mask) with a chin-style, front-
or back-mounted organic vapor canister/Any appropriate escape-type,
self-contained breathing apparatus |
| Exposure
Routes inhalation, ingestion, skin and/or eye contact |
| Symptoms
Irritation eyes, nose, throat; eye, skin burns; dermatitis;
conjunctivitis; cough; central nervous system depression;
delayed pulmonary edema; in animals: kidney, reproductive,
teratogenic effects; [potential occupational carcinogen] |
Target
Organs Eyes, skin, respiratory system, kidneys, central
nervous system, reproductive system
Cancer Site [in animals: nasal cancer] |
|
