New Ozone Depleting Substances that have been reported by Parties
Decisions XIII/5, X/8 & IX/24
(Updated August 2003)

No.

Substance Name

Chemical
Formula

ODP

CAS No.

Uses

Mp/C

Bp/C

Producer

Amount produced

Manufacturing countries

1

Hexachlorobutadiene (or HCBD)

C4Cl6

0.07

87-68-3

Solvent applications as well as an intermediate in the production of HFCs.

         

2

n-propyl bromide (or 1-bromopropane, CH2BrCH2CH3 and nPB)

1-C3H7Br or CH2BrCH2CH3

0.0033-0.111

106-94-5

Solvent applications, including degreasing, vapour cleaning and cold cleaning of metal parts

         

3

1,1,1-trichloro-2,2,2-trifluoroethane (or R.113a)

CFC-113a

0.65

354-58-5

an agrochemical intermediate and manufacture of synthetic pyrethoids

         

4

6-bromo-2-methoxynaphtalene (or bromo-methoxy-naphtalene or BMN)

C10H6BrOCH3

 

511165-9

Solvent Applications

         

5

Halon-1202 (or dibromodifluoromethane, difluorodibromomethane, Freon 12-B2, R12B2 or UN1941)

CBr2 F2

Best Estimate: 1.25

75-61-6

In fire protection systems for military-type aircraft. By-product which may be generated during production of Halon 1301 and 1211.

         

6

1-bromo-3-chloropropane

CH2ClBr or
C3H6BrCl

Guess - 0.05

109-70-6 Pharmaceutical industry.

-59

142

Albemarle PPC SA, Fermion 10-5,000 tonnes 1990-1992 France

7

Dibromomethane CH2Br2   74-95-3 Formed during the production of bromochloromethane (BCM) as a by-product in a quantity of about 20 % of BCM. Used in the production of two insecticides.

-52

96

Eurobrom BV, Albemarle SA, Cheminova Agro A/S 100-500 tonnes per company from 1991-1993 The Netherlands, Belgium, Denmark

8

Bromochloroethane C2H4BrCl   107-04-0 Was used for soil fumigation. It is produced as a by-product of 1,2-dichloroethane. 1,1 Bromochloroethane: no information available.

9

131

Not known Not known Not known

9

Dibromoethane C2H4Br2   106-93-4 Not known

-63

108

Not known Not known Not known

10

Bromoethane C2H5Br   74-96-4 Used as starting material in the production of various chemicals.

-199

38

Albermarle PPC SA, Atofina, Great Lakes Chem (EU or USA), BASF 10-500 tonnes per year, 1990-1993 France, United Kingdom, Germany

11

1,3-Dibromopropane C3H6Br2   109-64-8 Synthesis of the fungicide pyracarbolid, various pharmaceuticals and polyamines.

-34

167

Atofina 10-50 tonnes in 1993 France

12

2-Bromopropane C3H7Br   75-26-3 Formed as a by-product (0,1 0,2 %) of n-propylbromide.

-89

60

Albermarle PPC SA, Atofina, Gt Lakes Chemical (Europe), Reidel-de Hein 10-500 tonnes per year, 1990-1993 France, United Kingdom, Germany

13

C4Cl4F6
2,2,3,3-Tetrachloro
hexafluorobutane
CClF2CClF
CClFCClF2
  375-34-8 As Flon-S-316, a substitute for CFC-113

?

?

Asahi Not known Japan, USA