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i n n o v a t i v e
www.pentagonchemicals.co.uk
Fine Chemicals
Halebank, Widnes,
Cheshire WA8 8NS
United Kingdom
T: +44 (0)151 424 3671
F: +44 (0)151424 7906
Specialty Chemicals
Workington, Northside,
Cumbria CA14 1JJ
United Kingdom
T: +44 (0)1900 604371
F: +44 (0)1900 66943
Designed and produced by
Leeming Creative Communication Limited, Liverpool.
Tel: 015170 8 0345 www.leeming.net
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Pentagon is a leading UK based manufacturer of organic intermediates for use in the life science, petroche
markets. Offering exclusive synthesis and a wide range of own products the privately owned company has
per annum and employs around 200 people at our ISO 9001 and 14001 accredited sites in Halebank and W
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Pentagon wa
in 1975 on th
works in Work
established its
of benzoate e
paint and foo
company dive
of the next 25
chemistries an
and pharmace
Expansion dur
facilitated by t
company a n
national organ
2002 the opp
small, flexible
primarily on th
customers wa
Pentagon Che
formed throu
out led by me
management
WORKINGTON
HALEBANK 1939
Ward Blenkinsop
established to produceanaesthetics andsulphonamide antibiotics
for the war effort.
1950sProducing more than 300 products
including anaesthetics, chemotherapydrugs, fungicides, paracetamol,penicillin intermediates, tranquilisers,
UV absorbers and vitamins.
1978Built large scale plant
initially for penicillinintermediate lateradapted for agrochemical
manufacture.
1980Acquired
by Shell.
1986Phosgene
plant built.
1988Phosgene
generatorinstalled.
1992Purchased by
Great Lakes.
2003Purchased by
Pentagon.
1975Company formed produces sodium
benzoate andbenzoate esters.
1985Biocidebusiness
established.
1989Acquired bySuter Plc.
1995Fueladditives
plantbuilt.
1996Purchasedby
Ascot Plc.
1998Grignardplant built.
2001Acquiredby
Dow Plc.
2002Managementbuy out led by
Allan Laing.
Histo
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A commitment to protectin
workers and the environme
central to our philosophy and
provides the foundation for thfuture development and succe
our business.
In recognition that safe and
environmentally secure
manufacturing facilities are ess
to building good relationships
our customers, neighbours,
regulators and suppliers both o
Halebank (a top tier COMAH)
Workington sites are accredite
the internationally acknowledg
standard BS EN ISO 14001.
As part of our drive for continimprovement in the area of he
safety and the environment
Pentagon is a signatory to the
Safety, Hea
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Meeting cu
is the highe
Pentagon a
all materials
exacting stacustomers re
rigorous app
stages of th
In early deve
closely with
identify and
specification
analysis that
material is p
moves into c
undertake v
ascertain tha
reliable and
In manufact
carefully sele
approved su
operating p
Qua
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From new product introduc
to commercial manufacture
Pentagon operates a multi-
disciplinary product teamapproach to drive our contin
improvement culture. In additi
ensuring full compliance with
customer requirements for on-
in-full deliveries and quality th
teams focus on key areas to im
these include the identification
realisation of yield improveme
productivity enhancement via
time reduction and increased b
size, waste minimisation and s
recycle.
Our team of highly trained che
provide product support from initial lab synthesis through to
scale manufacture. We pride
ourselves in providing rapid
evaluation of new enquiries, fa
track synthesis of target molec
Research &
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FlexibleInnovative
Responsive
Service
Technology
Our Core Values ...
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A wide range of chlorinated
intermediates can be manufactured
at our Halebank site. As well as fully
integrated bulk chlorine storage andhandling the site has significant
experience in the use of phosphorus
oxychloride, sulphuryl chloride and
thionyl chloride.
Key Plant
9.0m3 GL and SS vessels
Fully DCS controlled
Temperature -10C to 140C
Hastelloy Rosenmund filter dryers
Isolated product pack off room
Solvent recycle facility
Chlorination
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Our purpose built Grignard plant at
Workington offers advanced
capability in the manufacture of
reagents and their downstreamderivatives. In addition to a wide
range of own products in standard
solvents and concentrations we also
offer custom manufacture of
downstream products utilising more
concentrated solutions than could be
commercially shipped.
Grignard Plant
4 4 .5m3 GL vessels
Fully DCS controlled
Temperature -15C to 150C
Distillation unit with 26
theoretical plates
Hastelloy filter dryer Bulk and drum handling
Grignards
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With over 40 years experience of
phosgene chemistry Pentagon is at the
forefront of phosgenated intermediates
and their downstream derivatives.The state of the art facilities include on
demand phosgene generation and a
flexible, fully sequenced plant capable
of manufacturing solid and liquid
products. Minimal inventories of
phosgene combined with continued
investment in our plant ensure that
safety and environmental controls meet
the most exacting standards.
Phosgenation Unit
6.3 9.0m3 GL and SS vessels
Fully sequence DCS controlled
Temperature -10C to 140C
Phosgene generation 200Kgper hour
Hastelloy Rosenmund filter-dryers
2 x 8.5m2
2 GL unit distillation units with up
to 15 theoretical plates
High vacuum 5mBar
Phosgenation
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Sodium dispersio
The high temperature dissolution of
sodium metal in a mineral oil to give
a stable but highly reactive dispersion
offers a commercially viable, cost
effective route to the large scale
manufacture of organo-sodium
compounds. Benefiting from over
20 years research and development
Pentagons unique combination of
optimised particle size and
