CHEMICALS
G&EN
P R O G R E S S
REPORT
Commercial Chemicals Companies a d d e d these products to their lines during the past four weeks Material Sterically hindered pivalic acid a n d neopentyl alcohol Barium chloranilate reagent powder
Ct)inpantj Arapahoe Chemicals Boulder, Colo. J. T - Baker Chemical Phillipsburg, \*. J. Chemicals Procurement N e w York, Ν. Υ.
N-Acetyl derivative of DL-( o,m,p)fluorophenylalanine; 3,5-diiodo-Ltyrosine; L-( DL· ) tryptophan Glycol dimercaptoacetate
Suggested
Purified papain Diethylene glycol dimethyl ether (Poly-Solv D2M) Diisonitrosoacetone monodibuty lamine salt
Cross-linking agent and monomer
Raw materials for synthetic fibers, films, and protective coatings
Solvent and reaction medium
Union C a r b i d e Chemicals N e w York, Ν. Υ. Union C a r b i d e Chemicals N e w York, Ν. Υ.
1,3-Dia rn inopropane Imino-feis-propylamine Cryolite, ammonium fluoride, ammo nium bifluoride, sodium fluoride, alu m i n u m fluoride
Include
Reagent for sulfate determinations
Evans Chcmetics Xew York, Ν. Υ. Gallowhur Chemical Ossining, Ν . Υ. Hooker Chemical Niagara trails, X. Y . Hummel Chemical N e w York, Ν. Υ. M a n n Fine Chemicals N e w York, Ν. Υ. Meer Corp. New York, Ν. Υ. Olin Mathieson N e w York, Ν. Υ. Synorganics Baltimore, Md.
Phenyl mercuric acetates, phenyl mer curic oleates Isophthaloyl chloride, terephthaloyl chloride Titanium nitride, zirconium nitride, b a r i u m hydroxide octahydrate DL-Alanine, DL-isoleucine
Uses
Analytical reagent for detecting and de termining trace amounts of organophosphorus halides, acid anhydrides, acylating agents, and positive halo gen compounds. Available in re search quantities Raw material for textile crease-resistant resins Raw material to make textile softeners, paper-treating resins, and ion ex change resins
United-Heckathorn Richmond, Calif.
Available in commercial quantities unless otherwise noted.
• Mevalonic acid tagged with radio carbon-14 is n o w available from Tracerl a b for use in biochemical research. T h e chemical is a possible precursor of cholesterol, squalene, and other terpenes and sterols, according to Tracerlab. C 14 • Low-melting
thermoplastic
binder
for nomvoven fabrics is now being made b y Du Pont. A Dacron polyester fiberbinder, the product comes as undrawn, uncrirnped staple with an average denier per filament of about 8 to 10, according t o D u Pont. C 15 • Cleaner f o r paper machine f e l t s is
n o w being marketed b y Ciba. 72
C&EN
JULY
2 1,
Called
I9B8
Neovadine AL, it is a dispersing agent that removes fillers, sizings, d y e s , and pitch, Ciba says. C 16 ί S t a n n i c sulfide, now available from Metal & Thermit in pilot plant quanti ties, is a finely divided golden yellow powder with t h e feel of tale, t h e com pany says. It can b e used in lacquers and varnishes to gild and bronze metals, wood, p a p e r , and gypsum. C 17 ί Heat-reactive
phenolic
resin
has
been developed by Schenectady Var nish for use in neoprene adhesives. It comes in l u m p form, h a s a melting point of 145° to 165° F . , the company says. C 18
> Chloranilic acid (2,5-dichloro-3,6-dihydroxy-p-benzoquinone) and three of its salts are being made by Matheson Coleman or Bell. T h e salts: barium chloranilate, mercuric chloranilate, and strontium chloranilate. C 19 • Cationic softener has been developed by Du Ppnt for cotton and synthetic fibers. It is a soft, smooth white paste called Avitex Q and doesn't yellow when exposed t o atmospheric oxides of nitrogen, the company says. It can be dispersed in w a t e r with agitation at temperatures of 140° F . or higher, ac cording to Du Pont. C 20 (Continued
on page
128)
(Situations Wanted, Continued) TECHNICAL SALESMAN : B . S . . age 44, married. 10 years experience in sales service aud development t o a broad range of light and heavy industry. S years chemist in petroleum refining. Readily conversant with organic and inorganic chemistry. Will travel preferably from Chicago. Box 311-J-7, C. & Ε. N., Easton. Pa. CHEMICAL E N G I N E E R , B.S., 7 years experience in processing and extrusion of poly-vinyl chloride and polyethylene. (Hose, p i p e , and pig ment dispersion.) Have done extensive testing on dispersion processing. Product development. Physical testing. Age 31, family. Available im mediately. Mid-Atlantic area preferred. Box 312-J-7, C. & E. N..Easton. P a . R E S E A R C H C H E M I S T : Ph.D.. 20 yean* in dustrial experience in rubber formulation and analysis, latex-foam rubber, polymer chemistry· organic synthesis, chlorination*. pressure reaction icM'hnkiues. Prefer industrial research and de velopment in eastern location, « a n t peramn*iit position. Available immediately. B«»x 313-J-7, C. & E . X . , Easton. P a . ELECTRICAL I N S U L A T I O N S P E C I A L I S T : Have established name supervising developments and marketing products for large company. Ph.D., organic, 35, desires supervision research m marketing smaller company. Box 315-J-7, C. & E . X . . Eastern^ P a . C H E M I S T : M.A., Aug. 58. 26, smgle, mili tary obligation fulfilled, no experience, «.ants work. Background in analytical and biochemistry. Infantry Communications Officer, Spanish, v.erman. Good in l a b , at desk, meeting people. Consider anything overseas o r wide travel in B
«"« 317-J-7, C. & E . XV. Easton. P a . ' .RESEARCH E N G I N E E R : 2*2 years e x i s t ence in laboratoiy, nimi-plant. and pilot plant «m high temperature electrolytic a n d Thermal piocess development. Desire procès d**\eii*i»xueui or production. . „ ,-, Box 31S-J-7, C. à Ε . X . , Ear-ton, P a . C H E M I C A L ENGINEER": B.S.. acre 30. ^xmi vears experience in research, pmce>* develop ment, production, pdot plant operation. ΜΙΪ*·Ιvi.-ion, and trouble shooting. Desire position m process development, production, o r technical Box* 334-L-6, C. & Ε . Ν . , Easton, P a . " LOSS P R E V E N T I O N : M.Ch.E., P h . D P.E. 8 vears safety direction including fire and acci dent prevention engineering, industrial hygiene, publications programs; 4 years industrial water and waste engineering including survey work, re search, development, design; 3 years= pioce>s im provement including quality control. operations analvses*. equipment redesign. Age 37. f 14.000. Bc»x*305-N-6, C. & E . N . , Easton, P a . C H E M I S T : M.S., age 20, married, three years of experience in analytical chemistry. Also good background in ion-exchange, organic, inorganic and phvsical chemist ry. Prefer Midwest ; how ever, location secondary t o right o n e r . Refer ences. __ __ Easton. P a . Box " A P P324-N-6, L I C A T I OC. N S& Ε .SΝ U .P,E R V I S O R : Ph.D. chemist, age 34. T e n years total work experi ence; seven years in polymer applies t ions. Ad ministrative and supervisory experience "with proven record of accomplishment. L a " t position as vice president of small company at $14.000 per vear. Presently unemployed. Box 308-F-7. C. & E . X . . Easton. J P a . C H E M I S T : Three years industrial expeuence. AB degree, age 26. Desires position in quality control or development, but a n y chemical work considered. "Q" clearance. Box 324-F-7. C. & E. X . , Easton. P a . " C H E M I C A L E N G I N E E R : 38. "family. B X 16 years experience in all phases of industrial water treatment and corrosion engineennc. inchiding technical service direction a n d admini stration of personnel. Have proven executive ability. Desire position commensurate with past experience. Location immaterial. Avail able immediately. Box 30O-H-7. C. & E. X . . Easton. P a . C O M M E R C I A L D E V E L O P M E N T : Fourteen years diversified industrial experience m petro chemicals, petroleum refining, chemicals. Em phasis on commercial development, i-orporate diversification, acquisition. Substantial back ground in economics and process design. As signments include project engineer. a«si*tant to vice president, etc. Seeking position with op portunity. Box 314-F-7. C. & E . X . . Easton. P a . A C A D E M I C POSITIONS" P h . D . analytical. Experience: university teaching, industrial re search. Many publications. Seeking university position with graduate program a n d research facilities». _ Box 316-F-7. C. & E . X . . Easton. P a . CHEMIST: B.S., family. Ag«* 27. One year's experience general analytical work. De.«ireTs non-routine assignment in organic R4d>. Will relocate; a%*oilable immediately. Box 314-H-7, C. & E. X . , Easton, P a .
128
C&EN
JULY
2 1,
1958
PHYSICAL C H E M I S T : PhiTX Hbesis in far ultraviolet photolyi^ of dibarane. In#of=airia3 e x perience in titanium -extra ctrve ι黀*υιΙ] angar, and an an-. wibeiuliiLg. c«f-t control, estiinaimc -eacpednrng H nan :»nd •'ub-i-initractor haiyiiti. Tborrttce*« equipment. 3nv*»-itigat ion*. -*«c«ei.ciu' -t udie*. appraisal-, management i«ej·'À l»lafit luariagemeut. "Will travel. Box 317-H 7. C . &_ E. X . . Eastern. F a . e33'«e.. Asnlutious. aggressive, demonstrated aiiilrtieK. Seek* Hiallenge. ΓβίροηίίοϋιΐΛ·. Box 601-J-7, C . & E. X . , Eastern, F a .
electrttRiikr- coonpeMMrHits.
MISCELLANEOUS A d v e r t i s i n g o f Cla^sifieatio>ns N o t I n c l u d e d i n Dire-tf'foffrês On P r e c e d i n g Pa^zes
,
PUBLICATIOJffS — S A I S , WAJTTED C H E M I S C H E S Z E N T B A L B L A T T . ϋ^ΙίΓ-11'JBil foi -ale. C . F-. Ashley. 27 East 21 St.. X*^_V«ri III. X . Y. J O U R N A L O F " OBÎÎANIC" C H E ^ g i S T H Y "«anted to buv for cash : ba'*à volutue- and ~*eu> C. E . Ashle?'. 27 E. 21 St.. New York 3f» Ν , Υ BACK IS^VES n i nearly all volume* oi A€^S journals are available iirompth· irona ti»e An»erc· can Chemical Society. Write fc*r qootatjcm* -on volumes a n d sets. B a r k Issuer- r>n»t.. ACS. 11SS-1-6*1 St . N . W . . Washington Λ. Γ>. C . W A N T E D Ι Ο P I R C H A S E 7 "Complète *«ei«*bfirt runs: and >ing;le volumes of «wentific ρ « ϋ ridical-—in all language*. "Walter J. Johnson. Inc.. H I Fiftih Avenue. X«e« York 3. N . Y. __ S C I E N T I F I C P E B 1 0 B I C A ï > - - S e t * smâ ταη*. Bought and s
