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Dayang Chem (Hangzhou) Co., Ltd.
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Product Name: 1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: 23978-55-4
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23978-55-4

23978-55-4 structure

23978-55-4 structure

Name: 1,4,10,13-TETRAOXA-7,16-DIAZACYCLOOCTADECANE
Chemical Name: 1,7,10,16-Tetraoxa-4,13-diazacyclooctadecane
CAS Number: 23978-55-4
Molecular Formula: C₁₂H₂₆N₂O₄
Molecular Weight: 262.346
Catalog: Chemical reagent Organic reagent Crown ether
Create Date: 2018-09-09 19:32:58
Modify Date: 2026-07-05 12:56:03

Name	1,7,10,16-Tetraoxa-4,13-diazacyclooctadecane
Synonyms	4,13-DIAZA-18-CROWN-6 KRYPTOFIX 22 EINECS 245-965-0 KRYPTOFIX(R) 22 POLYMER MFCD00005112 4,13-Diaza-18-crown6-Ether> 4,7,13,16-Tetraoxa-1,10-diazacyclo octadecane KRYPTOFIX(R) 22 1,7,10,16-TETRAOXA-4,13-DIAZACYCLOOCTADECANE 7,16-DIAZA-18-CROWN-6 Kryptofix 22 1,10-DIAZA-18-CROWN-6 1,4,10,13-TETRAOXA-7,16-DIAZACYCLOOCTADECANE, >= KRYPTOFIX 22 POLYMER CAS_23-4 1,10-diaza-4,7,13,16-tetraoxacyclooctadecane 1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane cryptand22 7,16-diaza-1,4,10,13-tetraoxcyclooctadecane 1,4,10,13-Tetraoza-7,16-diazacyclooctadecane 4,13-DIAZA-18-CROWN 6-ETHER KRYPTOFIX 22 POLYMER (SILICA GEL) kryptofix K22 Diaza-18-crown-6 4,13-Diaza-18-crown 6-Ether cryptand2.2 1,4,10,13-tetraoxa-7,16-diaza-cyclooctadecane

Density	1.0±0.1 g/cm3
Boiling Point	412.1±40.0 °C at 760 mmHg
Melting Point	111-114ºC
Molecular Formula	C₁₂H₂₆N₂O₄
Molecular Weight	262.346
Flash Point	170.6±16.8 °C
Exact Mass	262.189270
PSA	60.98000
LogP	-2.43
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.411
Storage condition	0-6°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: HM1650000

CHEMICAL NAME :: 1,10-Diaza-4,7,13,16-tetraoxacyclooctadecane

CAS REGISTRY NUMBER :: 23978-55-4

LAST UPDATED :: 199712

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C12-H26-N2-O4

MOLECULAR WEIGHT :: 262.40

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3400 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 31(2),48,1987

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 141 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 31(2),48,1987

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 560 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 31(2),48,1987

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 141 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 31(2),48,1987

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 112 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 31(2),48,1987

Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	26-37/39
WGK Germany	2
RTECS	HM1650000
HS Code	2934999090

Precursor 10
69703-25-9 36839-55-1 52601-78-2 31255-10-4
59945-35-6 23978-54-3 66582-26-1 929-59-9
112-26-5 54665-51-9
DownStream 10
105400-12-2 31250-18-7 79495-97-9 69703-25-9
94605-71-7 139194-06-2 100330-78-7 23978-09-8
69878-46-2 69930-74-1

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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