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Improving Member States preparedness to face an HNS pollution of the Marine System (HNS-MS)

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Chloroform

Description Top

CAS number 67-66-3
UN number 1888
Chemical formula CHCl3
Accident occurred Yes
Standard European Behaviour Classification (SEBC) Sinker that dissolves (SD)
Notable risks Reacts violently with strong bases, strong oxidants and some metals such as aluminium, magnesium and zinc.
GESAMP Hazard profile
A1 A2 B1 B2 C1 C2 C3 D1 D2 D3 E1 E2 E3
1 NR 2 0 2 0 2 1 1 CT NI SD 3

Marine pollution Classification (MARPOL Annex II)
Category Description
Y Noxious Liquid Substances which, if discharged into the sea from tank cleaning or deballasting operations, are deemed to present a hazard to either marine resources or human health or cause harm to amenities or other legitimate uses of the sea and therefore justify a limitation on the quality and quantity of the discharge into the marine environment.

Alternate names for this chemical
Formyl Trichloride
Methane Trichloride
Methenyl Trichloride
Methyl Trichloride
Trichloroform
Trichloromethane
Chloroform
Chloroforme


Physico-chemical properties Top

Chemical formula CHCl3
Molar mass 111.38 [g/mol]
Critical molar volume 0.000239 [m³/mol]
State Liquid at 25°C and 1 atm
Fusion temperature -63.5 [°C]
Boiling temperature 61.3 [°C]
Critical temperature 536.4 [°C]
Density
1480 [Kg/m³] at a temperature of 20°C
Surface tension
27.14 [mN/m] at a temperature of 20°C
26.67 [mN/m] at a temperature of 25°C
Interfacial tension
32.8 [mN/m] at a temperature of 20°C and salinity of 0‰
Kinematic viscosity
0.38 [cSt] at a temperature of 20°C
0.36 [cSt] at a temperature of 25°C
Hydrosolubility
8220 [mg/l] at a temperature of 20°C and salinity of 0‰
7950 [mg/l] at a temperature of 25°C and salinity of 0‰
Vapour pressure
21280 [Pa] at a temperature of 20°C
26000 [Pa] at a temperature of 25°C
Critical pressure 5470000 [Pa]
Vapour density 4.5
Vaporization enthalpy
244.93 [J/Kg] at a temperature of 61.3°C
279364 [J/Kg] at a temperature of 25°C
Combustion enthalpy 3180000 [J/Kg]
Specific heat capacity 956.6 [J/(Kg·K)]
Combustion efficiency 50 [%]
Mass flow rate of the combustion surface 0.02 [Kg/(m²·s)]
Radiative fraction 40 [%]
Henry's constant 371 [mol/(m³·Pa)]


Behaviour Top

Log Kow 1.97
Log Koc 1.5
Hydrolysis (Half-life) 450 days
Aqueous photolysis (Half-life) 22 days
Biodegradation in estuary environment (Half-life) Not biodegradable
Biodegradation in marine environment (Half-life) Not biodegradable
Standard European Behaviour Classification (SEBC) Sinker that dissolves (SD)
Bioconcentration factor (BCF) 12.7


Ecotoxicity Top

Lowest median lethal concentration (LC50) on algae 13.3 [mg/l]
Lowest median lethal concentration (LC50) on crustacean 29 [mg/l]
Lowest median lethal concentration (LC50) on fishes 18 [mg/l]
Highest no observed effect concentration (NOEC) on algae 3.61 [mg/l]
Highest no observed effect concentration (NOEC) on crustacean 6.3 [mg/l]
Highest no observed effect concentration (NOEC) on fishes 1.463 [mg/l]
Assessment factor (AF)
50 on the short-term
10 on the long-term
Predicted No Effect Concentration (PNEC)
266 [µg/l] on the short-term
146 [µg/l] on the long-term


Hazards Top

Toxic
Health Hazard

Danger

IDLH 500 [ppm]
Hazards statements
Health
H302
Harmful if swallowed.
H315
Causes skin irritation.
H319
Causes serious eye irritation.
H331
Toxic if inhaled.
H351
Suspected of causing cancer.
H361
Suspected of damaging fertility or the unborn child.
H372
Causes damage to organs through prolonged or repeated exposure, exposure cause the hazard:

Precautionary statements
Prevention
P202
Do not handle until all safety precautions have been read and understood.
P260
Do not breathe dust/fume/gas/mist/vapours/spray.
P280
Wear protective gloves/protective clothing/eye protection/face protection.
Response
P305 + P351 + P338
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P313
IF exposed or concerned: Get medical advice/attention.
Storage
P403 + P233
Store in a well-ventilated place. Keep container tightly closed.
Disposal
P501
Dispose of contents/container to ...


GESAMP Top

GESAMP Hazard profile
A1 A2 B1 B2 C1 C2 C3 D1 D2 D3 E1 E2 E3
1 NR 2 0 2 0 2 1 1 CT NI SD 3

A1: Bioaccumulation
Rating Description
1 Very low potential to bioaccumulate
A1a:
Rating Description Criteria [mg/l]
1 Very low potential to bioaccumulate 1 ≤ Log Kow < 2
A1b:
Rating Description Criteria
1 Very low potential to bioaccumulate 1 ≤ BCF < 10
A2: Biodegradation
Rating Description
NR Not readily biodegradable
B1: Acute aquatic toxicity
Rating Description Criteria [mg/l]
2 Slightly toxic 10 < LC/EC/IC50 ≤ 100
B2: Chronic aquatic toxicity
Rating Description Criteria [mg/l]
0 Negligible NOEC > 1
C1: Acute oral toxicity
Rating Description Criteria [mg/Kg]
2 Moderate 50 < AOTE ≤ 300
C2: Acute dermal toxicity (skin contact)
Rating Description Criteria [mg/Kg]
0 Negligible ADTE > 2000
C3: Acute inhalation toxicity
Rating Description Criteria [mg/l] (4 hours exposure)
2 Moderate 2 < AITE ≤ 10
D1: Skin irritation or corrosion
Rating Description Sign GHS category
1 Mildly irritating Mild erythema with or Mild Irritant Category 3
D2: Eye irritation
Rating Description Sign GHS category
1 Mildly irritating Mild conjunctival hype Irritant Category 2B
D3: Long-term health effects
Notation Hazard endpoint Description GHS category
C Carcinogenicity Chemicals which have been shown to induce or increase the incidence of cancer Category 1 for Carcinogens
T Specific Target, Organ Toxicity following single or repeated exposure Significant changes which affect the morphology or biochemistry of tissues or organs; organ dysfunction up to death Categories 1 and 2 for Specific Target Organ Toxicity Single (STOT-SE) or Repeated Exposure (STOT-RE)
E1: Tainting of seafood
Rating Description
NI No Information
E2: Behaviour of chemicals in the marine environment
Rating Description
SD Sinker that dissolves
E3: Interference with the use of coastal amenities
Rating Interference Description Interpretation Warning
3 Highly objectionable 1 is highly acutely toxic; and/or 2 is severely irritant or corrosive to skin or eyes; and/or 3 is carcinogenic, mutagenic or reprotoxic; and/or 4 is a floater or persistent floater with associated health effects 1 C1 and/or C2 and/or C3 = 4; and/or 2 D1 or D2 = 3, 3A, 3B, or 3C; and/or 3 D3 contains C, M or R; and/or 4 E2 = F or Fp and D3 contains Ss, Sr, T, A, N, or I Warning issued leading to the closure of amenities

GHS Security Information

Toxic
Health Hazard

Danger

  About the project

HNS-MS is a decision-support tool that Belgian and French maritime authorities as well as coastguard stations can activate in order to forecast the drift, fate and behavior of acute marine pollution by Harmful Noxious Substances (HNS) accidentally released in the marine system.

  Contact us

Web: https://www.hns-ms.eu/

Tel : +32 (0)2 773-2102

Mail : hns-ms@naturalsciences.be

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EU flagHNS-MS has been funded by DG-ECHO under agreement ECHO/SUB/2014/693705 and runs from 1 January 2015 to 31 March 2017.