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Hydrogen sulfide (13)CAS RN:7783-06-4
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Matheson Tri-Gas Inc.Telephone:+1 800-424-9300
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Specialty Gases of America, Inc.Telephone:419.729.7732 (800.471.7013)
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Sulfur Properties and CompoundsTelephone:(915) 675-5311
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PROMY International GroupTelephone:+1-510-758-1388
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National WeldersTelephone:800-943-0333
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Spectra Gases, Inc.Telephone:908-252-9300
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Res Kem CorpTelephone:904-268-5868
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Matheson Tri-GasTelephone:1-973-257-1100
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Montana Sulphur and Chemical CompanyTelephone:1-406-2529324
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MidPoint Chemicals CompanyTelephone:630 758 0400