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66-99-9

66-99-9 structure
66-99-9 structure

Name 2-naphthaldehyde
Synonyms naphthalene-2-carbaldehyde
EINECS 200-640-2
Naphthalen-2-carbaldehyd
MFCD00004094
2-Naphthalenecarboxaldehyde
2-Naphthaldehyde
2-Naphthalenecarboxaldehyde (9CI)
β-Formylnaphthalene
Density 1.2±0.1 g/cm3
Boiling Point 299.5±9.0 °C at 760 mmHg
Melting Point 58-61 °C(lit.)
Molecular Formula C11H8O
Molecular Weight 156.181
Flash Point 179.5±5.0 °C
Exact Mass 156.057510
PSA 17.07000
LogP 2.87
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.676
Storage condition ?20°C
Freezing Point 1.0755

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QJ0190010
CHEMICAL NAME :
2-Naphthaldehyde
CAS REGISTRY NUMBER :
66-99-9
BEILSTEIN REFERENCE NO. :
0507750
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C11-H8-O
MOLECULAR WEIGHT :
156.19
WISWESSER LINE NOTATION :
L66J CVH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 19,964,1964
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xn: Harmful;Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S22-S24/25
RIDADR UN 3335
WGK Germany 3
RTECS QJ0190010
Packaging Group I; II; III
HS Code 29122900
HS Code 2912299000
Summary 2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%