Safety Summary Sheet
1-hexene （CAS NO. 592-41-6）

SPECIES（CAS1-hexeneNO.: 592-41-6）

PROTOCOL

RESULTSPHYSICAL-CHEMICAL
2.1

Melting Point

Unknown-139 － -140 ℃

2.2

Boiling Point

Unknown

63.3 ℃ (1010 hPa)

2.3

DensityUnknown

0.673 － 0.683 g/cm3

2.4

Vapour Pressure

Unknown

186.5 hPa (20 ℃)

2.5

Partition Coefficient(log Kow)

Unknown

3.39 (20 ℃)

2.6.1A

Water Solubility

Unknown

50 mg/l (20 ℃)

2.6.1.B

Dissociation Constant（pKa）

No data(no dissociable groups)

ENVIRONMENTAL FATE AND PATHWAY
Calculation by
USEPA EPIWIN
model

Half life with OH- : 4.2 h

3.1.1

Photodegradation

3.1.2

Stability in Water

No data

3.1.3

Stability in Soil

No data

3.2

Monitoring Data

No data

3.3.1

Transport between
Environmental Compartments

3.3.2

Distribution

3.4

Biodegradation

3.5

BOD-5, COD or BOD-5／
COD ratio

No data

3.6

Bioaccumulation

No dataCalculation
byMackay Level Ⅲ
Fugacity model

Air : 21%
Water : 77%
Soil : <1%
Sediment : 2%
(10 kg/h to air, 1 kg/h to water, 0 kg/hto soil)
No data(Koc etc.）
OECD TG 301C

BOD degradation : 67 - 98 % (28 d)

ECOTOXICOLOGY
4.1

Acute Toxicity to Fish

Oncorhynchus
mykiss

Unspecified(96 h semi-statictoxicity test)

LC50 (96h) : 5.6 mg/l

4.2

Acute Toxicity to Aquatic
Invertebrates (Daphnia etc.)

4.3

Toxicity to Aquatic Plants(Algae etc.)

4.4

Toxicity to Microorganisms(Activated Sludge Respiration
Inhibition test etc.)

No data

4.5.1

Chronic Toxicity to Fish

No data

4.5.2

Chronic Toxicity to Aquatic
Invertebrates

No data

4.6

Toxicity to TerrestrialOrganisms

No data

No dataSelenastrum
capricornutum

1Unspecified(4 d growthexperiment)

EC0 (96h) : 22 mg/l

1-hexene
NO.: 592-41-6）
4.6.1（CASSPECIESPROTOCOL

RESULTS

Toxicity to Sediment Dwelling
Organisms

No data

TOXICOLOGY
5.1

Toxicokinetics, Metabolism
and Distribution

5.2

Acute Toxicity

No dataA.

Acute Oral Toxicity

Rat

OECD TG 401

B.

Acute Inhalation Toxicity

Rat

UnknownC.

Acute Dermal Toxicity

RabbitD.

Acute Toxicity, Other Routes

5.3OECD TG 402

LD50 : >5600 mg/kg
LC50 : 32000 ppm
LD50 : >2000 mg/kg
No data

Irritation/CorrosionA.

Skin Irritation/Corrosion

RabbitOECD TG 404

Mildly irritatingB.

Eye Irritation/Corrosion

RabbitOECD TG 405

Mildly irritating

5.4

Skin Sensitization

Guinea pig

OECD TG 406(Buehler test)

Not sensitizing

5.5

Repeated Dose Toxicity

Rat

OECD TG 413(inhalation, 13wks)

NOEL : 1000 ppm

Rat

OECD 407(oral gavage, 28days)

NOEL : 101 mg/kg/day

Gene Mutation(Bacterial Test etc.)

S. typhimurium

OECD TG 471

Negative

Unknown

Negative

Chromosomal Aberration

CHO

OECD TG 473

Negative

5.7

Genetic Toxicity in vivo

MouseOECD TG 474(inhalation,micronucleusassay)

Negative

5.8

Carcinogenicity

5.9

Toxicity to Reproduction

5.6

Genetic Toxicity in vitro

A.

B.

A.

Toxicity to Fertility

B.

Developmental
Toxicity/Teratogenicity

5.10

Other relevant information

5.11

Experience with Human
Exposure

Mouse
Lymphoma
L51784

No data

Rat

Similar to OECD
TG 421(inhalation)

NOEL :
Parental.
male ; <100 mg/kg/day
female ; 1000 mg/kg/day
Pups ; 1000 mg/kg/day
Reproductive ; 1000 mg/kg/day
See 5.9 A

Rat hepatocyte

OECD TG 482(UDS assay)

NegativeNo data2Contact : http://www.sumitomo-chem.co.jp/english/contact/

IMPORTANT: While the data and information compiled herein are presented in good faith andbelieved to be accurate or valuable, it is provided for your reference only. It is expressly or
implicitly understood that Sumitomo Chemical makes no warranty or assumes no liability or
obligation for the data and information provided.

3