ALDEHYDES, SCREENING: METHOD 2539, Issue 2, dated 15 August 1994 - Page 5 of 10 (Synonyms) Formaldehyde (formic aldehyde; formalin; CAS #50-00-0 RTECS LP8925000
Formula CH2 O
MW 30.03
Acetaldehyde (acetic aldehyde; ethyl aldehyde; CAS #75-07-0 RTECS AB1925000
C2 H4 O
44.05
0.788 (@ 16°C)
21
Propionaldehyde (propanal; CAS # 123-38-6) RTECS UE0350000
C3 H6 O
58.08
0.807
Acrolein (2-propenal; allyl aldehyde; CAS #107-02-8) RTECS AS1050000
C3 H4 O
56.06
Butyraldehyde (butanal; CAS # 123-72-8) RTECS ES2275000
C4 H8 O
Isobutyraldehyde (2-methylpropanal dimethylacetaldehyde; CAS #78-84-2) RTECS NQ4025000
NIOSH Carc.a ; 0.016 C 0.1 Group I Pesticide
ACGIH C 0.3 Suspected Carcinogen
200
Carc.a 18 ppm LOQ
100 150 STEL
49
--
--
--
258
0.839
52.5
0.1
0.1 0.3 STEL Group I Pesticide
0.1 0.3 STEL
210
72.10
0.802
75
--
--
--
92
C4 H8 O
72.10
0.794
64
--
--
--
170
Crotonaldehyde (2-butenal; ß-methyl acrolein; CAS # 123-73-9) RTECS GP9625000
C4 H6 O
70.09
0 853
104
2
2
2
30
n-Valeraldehyde (pentanal; CAS # 110-62-3) RTECS YV3600000
C5 H1 0 O
86.13
0.810
102
no standard
50
50
50
Isovaleraldehyde (3-methylbutanal; isopentanal; CAS # 590-86-3) RTECS ES3450000
C5 H1 0 O
86.13
0.785
92
--
--
--
50
Hexanal (caproaldehyde; CAS # 66-25-1) RTECS MN7175000
C6 H1 2 O
100.16
0.834
131
--
--
--
10
Heptanal (enanthal;
C7 H1 4 O
114.18
0.809
153
--
--
--
3
--
2 (skin)
CAS #111-71-7) RTECS MI6900000 Furfural (2-furancarboxaldehyde; CAS # 98-01-1) RTECS LT7000000 a
@ 20 °C --
BP(°C) -19.5
OSHA 3; C 5; P 10/30 min
(@ 30°C) C5 H4 O2
96.08
1.16 (@ 25°C)
162
- Carcinogen
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition
5 (skin)
(@ 20 °C) 20 (-88°C) 740
