Page:NIOSH Manual of Analytical Methods - 2539.pdf/5

 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